Imagine something happening super fast, with no time to get ready. That's what "sudden" is all about! We usually use it in a special phrase: "all of a sudden."
When you say "all of a sudden," it means something happened very quickly and without warning. It's like a surprise! For example, all of a sudden, it started to rain.
Imagine something happening super fast, out of nowhere, with no warning at all. That's what "sudden" is all about, especially when you hear the phrase, "all of a sudden."
It means everything changes in a blink, totally unexpectedly. So, if you say, "All of a sudden, it started to rain," you mean the rain began very quickly and surprisingly. It's like a little surprise event!
sudden 30秒了解
- Happens very fast
- Without any warning
- Used in 'all of a sudden'
§ What does it mean and when do people use it?
The word "sudden" is a fascinating and specific term in the English language, especially for learners at the CEFR A1 level. While it technically functions as a noun, its usage is almost exclusively confined to a particular fixed phrase: "all of a sudden." This phrase is incredibly common and useful for describing events that happen unexpectedly and very quickly.
- DEFINITION
- When we talk about "sudden" in the phrase "all of a sudden," we are referring to a moment when something occurs without any prior warning or expectation. It implies a rapid and surprising change in circumstances or the onset of an event.
Imagine you are walking down the street, and it's a beautiful, sunny day. Then, without any clouds appearing or any prior indication, it starts raining heavily. This is a perfect example of something happening "all of a sudden." The key elements are the unexpected nature and the speed of the event.
All of a sudden, the lights went out.
This phrase is used to add drama and emphasis to a story or description. It makes the listener or reader feel the surprise and immediacy of the event. It's a great way to introduce a turning point or an unexpected element into a narrative.
- WHEN DO PEOPLE USE IT?
- People use "all of a sudden" to describe:
- Events that happen very quickly.
- Events that happen without any warning.
- Events that are surprising or unexpected.
- Changes in a situation that are abrupt.
She was reading a book, and then all of a sudden she heard a loud noise.
The phrase helps to convey a sense of immediacy and often surprise. It’s a powerful tool for storytelling and everyday conversation. It highlights the contrast between what was happening before and what happened in that unexpected moment.
Understanding this nuance is crucial for A1 learners. While you might encounter the adjective "sudden" (e.g., a sudden change, a sudden stop), the noun form is almost exclusively tied to this idiomatic expression. This makes it easier to remember and use correctly, as you don't have to worry about its usage in other contexts.
We were driving on the highway, and all of a sudden, a deer ran into the road.
This phrase is very versatile and can be used in many different situations, from describing weather changes to unexpected events in a personal narrative. It's a fundamental expression for adding vividness and impact to your English communication.
- SYNONYMS (for the concept of suddenness)
- While not direct noun synonyms for "sudden" itself, other ways to express a similar idea of quick and unexpected events include:
- Suddenly (adverb)
- Unexpectedly
- Abruptly
- Without warning
These alternatives highlight the core meaning conveyed by "all of a sudden." However, for A1 learners, mastering the fixed phrase is the most important step.
§ Mistakes People Make with "Sudden"
The word "sudden" can be a bit tricky because, as a noun, it almost always appears in one specific phrase: "all of a sudden." This fixed expression is often where learners, especially at the CEFR A1 level, encounter difficulties. Understanding why and how this phrase works is key to avoiding common pitfalls.
§ Mistake 1: Using "sudden" as a standalone noun
One of the most frequent errors is trying to use "sudden" as a standalone noun in the same way you might use other nouns like "event" or "occurrence." For example, someone might say, "There was a sudden in the street," intending to mean "There was a sudden event in the street." However, this is incorrect because "sudden" on its own doesn't carry that meaning as a noun in modern English.
Instead of using "a sudden," you would need to use a descriptive phrase or a different noun. For instance:
- Incorrect: "A sudden happened."
- Correct: "Something sudden happened."
- Correct: "There was a sudden noise." (Here, "sudden" is an adjective modifying "noise")
§ Mistake 2: Confusing "sudden" (noun) with "sudden" (adjective) or "suddenly" (adverb)
It's easy to get the different forms of the word confused. "Sudden" is most commonly used as an adjective, meaning happening quickly or unexpectedly. "Suddenly" is the adverb, describing how something happens. The noun form, as discussed, is very specific.
- DEFINITION
- Adjective: happening quickly or unexpectedly.
The sudden storm surprised everyone.
- DEFINITION
- Adverb: in a sudden or unexpected manner.
The car stopped suddenly.
The mistake comes when learners try to force the noun "sudden" into roles meant for the adjective or adverb, or vice-versa, especially when they know there's a noun form. For instance, using "all of a suddenly" instead of "all of a sudden" is a common error stemming from this confusion.
§ Mistake 3: Misusing the fixed phrase "all of a sudden"
Even within its correct context, the phrase "all of a sudden" can be misused. Some learners might omit parts of the phrase, for example, saying "of a sudden" or just "a sudden," which are not standard English.
The key is to treat "all of a sudden" as an unbreakable unit, meaning "very quickly and without warning." It functions as an adverbial phrase, modifying a verb or an entire sentence.
All of a sudden, the lights went out.
Another error can be using it when a simple adverb like "suddenly" would be more appropriate or concise. While "all of a sudden" and "suddenly" often convey similar meanings, "all of a sudden" tends to emphasize the unexpectedness and abruptness a bit more forcefully. However, they are often interchangeable, and choosing the right one can sometimes be a matter of style or desired emphasis.
§ Mistake 4: Overuse of "all of a sudden"
Once learners grasp the phrase "all of a sudden," they might be tempted to use it frequently. While it's a perfectly valid and useful expression, overusing it can make speech or writing sound repetitive or unnatural. It's good to have other options in your vocabulary to express suddenness or unexpectedness.
- SYNONYMS/ALTERNATIVES
- Suddenly, unexpectedly, without warning, abruptly, all at once.
For example, instead of saying:
- "I was walking home, and all of a sudden, it started to rain. Then, all of a sudden, I saw my friend."
You could vary it:
- "I was walking home, and suddenly, it started to rain. Then, unexpectedly, I saw my friend."
§ Mistake 5: Incorrect placement of "all of a sudden" in a sentence
As an adverbial phrase, "all of a sudden" is quite flexible in its placement. It can often go at the beginning or end of a sentence, or sometimes in the middle. However, incorrect placement can sometimes sound awkward or interrupt the flow of the sentence.
Generally, placing it at the beginning or end of a clause or sentence is the safest bet for A1 learners.
- Good: "All of a sudden, the music stopped."
- Good: "The music stopped, all of a sudden."
- Awkward/Less Common: "The music, all of a sudden, stopped." (While grammatically possible, it can feel less natural for beginners.)
By being mindful of these common mistakes, learners can more effectively and accurately use the word "sudden" in its noun form within the essential phrase "all of a sudden," and distinguish it from its adjectival and adverbial counterparts.
需要掌握的语法
Nouns can be countable or uncountable. 'Sudden' here is used as an uncountable noun within a fixed phrase.
There was a sudden silence after the music stopped.
Fixed phrases are common in English and should be learned as a unit. 'All of a sudden' is one such phrase.
All of a sudden, the lights went out.
Adverbs of manner describe how something happens. 'Suddenly' (the adverb form) can be used to modify verbs.
The door suddenly opened.
Prepositional phrases often provide additional information about time, place, or manner. 'All of a sudden' functions as a prepositional phrase indicating unexpected timing.
The car stopped all of a sudden.
Articles (a, an, the) are not typically used before 'sudden' when it is part of the fixed phrase 'all of a sudden'.
It happened all of a sudden, not 'all of a the sudden'.
按水平分级的例句
All of a sudden, the lights went out, plunging the entire building into darkness.
De repente, las luces se apagaron, sumiendo todo el edificio en la oscuridad.
The phrase 'all of a sudden' acts as an adverbial phrase, modifying the verb 'went out'.
We were enjoying a peaceful picnic when, all of a sudden, a huge storm rolled in.
Estábamos disfrutando de un picnic tranquilo cuando, de repente, una gran tormenta se acercó.
Here, 'all of a sudden' introduces a surprising and abrupt change in the situation.
She had been struggling with the problem for hours, and then, all of a sudden, the solution came to her.
Ella había estado luchando con el problema durante horas, y luego, de repente, la solución se le ocurrió.
The phrase emphasizes the unexpected and immediate nature of the solution's arrival.
He was walking calmly down the street when, all of a sudden, a car swerved dangerously close to him.
Él caminaba tranquilamente por la calle cuando, de repente, un coche viró peligrosamente cerca de él.
'All of a sudden' highlights the sudden and alarming event.
The children were playing quietly, but all of a sudden, they started shouting and running around.
Los niños estaban jugando en silencio, pero de repente, empezaron a gritar y a correr.
This example shows a sudden change in behavior.
The market had been stable for months, and then, all of a sudden, prices began to plummet.
El mercado había estado estable durante meses, y luego, de repente, los precios comenzaron a desplomarse.
The phrase underscores the unexpected and rapid decline in prices.
I was about to leave when, all of a sudden, I remembered I had forgotten my keys.
Estaba a punto de irme cuando, de repente, recordé que había olvidado mis llaves.
'All of a sudden' indicates a sudden realization or memory.
They were having a serious discussion, and then, all of a sudden, everyone burst out laughing.
Estaban teniendo una discusión seria, y luego, de repente, todos estallaron en carcajadas.
This demonstrates a sudden and unexpected shift in mood or atmosphere.
近义词
反义词
常见搭配
常用短语
all of a sudden
de repente
a sudden turn of events
un giro repentino de los acontecimientos
in a sudden burst of speed
en un repentino estallido de velocidad
there was a sudden flash
hubo un destello repentino
with a sudden jerk
con un tirón repentino
a sudden feeling of dread
una repentina sensación de pavor
caught by a sudden downpour
atrapado por un aguacero repentino
a sudden loss of power
una pérdida repentina de energía
the sudden appearance of a stranger
la repentina aparición de un extraño
a sudden pang of guilt
una punzada repentina de culpa
习语与表达
"all of a sudden"
Suddenly; without warning.
All of a sudden, the lights went out.
neutral"out of the blue"
Completely unexpectedly; without any warning.
Her resignation came completely out of the blue.
neutral"a bolt from the blue"
A sudden and unexpected event, usually an unpleasant one.
His diagnosis was a bolt from the blue for the whole family.
neutral"in a flash"
Very quickly; instantly.
The magician made the rabbit disappear in a flash.
neutral"in the blink of an eye"
Extremely quickly; almost instantly.
The accident happened in the blink of an eye.
neutral"like a bolt of lightning"
Very suddenly and quickly.
The news hit him like a bolt of lightning.
neutral"come out of nowhere"
To appear or happen suddenly and unexpectedly.
The car seemed to come out of nowhere.
neutral"on the spur of the moment"
Impulsively; without prior planning.
We decided to go on a road trip on the spur of the moment.
neutral"at short notice"
With little advance warning or time for preparation.
I had to give a presentation at short notice.
neutral"without a moment's notice"
Instantly; without any delay or warning.
He was ready to leave without a moment's notice.
neutral如何使用
The word sudden is rarely used as a standalone noun. It almost exclusively appears in the idiom all of a sudden. This phrase means that something happens very quickly and unexpectedly. For example, 'All of a sudden, the lights went out.'
A common mistake is trying to use 'sudden' as a noun on its own, like 'He experienced a sudden.' This is incorrect. Always use it within the phrase 'all of a sudden.' Another mistake is using 'suddenly' (the adverb) when 'all of a sudden' (the idiom) is more appropriate for emphasizing the unexpected nature of an event. For example, while 'The car stopped suddenly' is grammatically correct, 'All of a sudden, the car stopped' highlights the unexpectedness more.
小贴士
Contextual Learning
Always learn words in context. For 'sudden,' remember the phrase 'all of a sudden' to understand its common usage.
Flashcards
Create flashcards with 'sudden' on one side and its definition and example phrase 'all of a sudden' on the other. Use spaced repetition.
Sentence Building
Practice making your own sentences using 'all of a sudden.' For example, 'All of a sudden, the lights went out.' This helps with active recall.
Visual Association
Imagine a sudden event, like a surprise party or a quick thunderstorm. Connect the word to a strong visual memory.
Listen and Repeat
Listen to how 'all of a sudden' is pronounced in English conversations or audio examples. Repeat it out loud to improve your pronunciation and memory.
Use a Dictionary
Look up 'sudden' in a learner's dictionary to see more examples and common collocations. This reinforces your understanding of its specific usage.
Regular Review
Regularly review words you've learned. Even simple words like 'sudden' benefit from consistent practice to ensure long-term retention.
Teach Someone Else
Try to explain 'all of a sudden' to a friend or another learner. Teaching helps to solidify your own understanding and recall.
Avoid Misuse
Be careful not to use 'sudden' as a standalone noun. Remember it's almost exclusively used in the fixed phrase 'all of a sudden'.
Relate to Native Language
Think about how you express 'sudden occurrence' or 'unexpectedly' in your native language. This can help you understand the nuances of 'all of a sudden'.
在生活中练习
真实语境
Imagine you're walking down the street and it starts raining heavily out of nowhere.
- All of a sudden, it started to pour.
- The rain came all of a sudden.
- It was all of a sudden, I didn't have an umbrella!
Think about a time when a new idea or realization came to you very quickly.
- All of a sudden, I understood the whole problem.
- The answer hit me all of a sudden.
- It was all of a sudden, like a lightbulb turning on.
Consider a situation where a child unexpectedly started crying or laughing.
- All of a sudden, the baby started to cry.
- Her laughter came all of a sudden.
- He just started singing all of a sudden.
Picture a moment in a movie or story where something unexpected happens to a character.
- All of a sudden, the monster appeared!
- The door opened all of a sudden.
- It was all of a sudden, a big surprise.
Think about a change in your plans or a new opportunity that came up unexpectedly.
- All of a sudden, my plans changed.
- A new job offer came all of a sudden.
- It was all of a sudden, a chance I couldn't miss.
对话开场白
"Can you think of a time when something happened all of a sudden and completely changed your day?"
"What's the most surprising thing that has ever happened to you all of a sudden?"
"Have you ever seen something amazing happen all of a sudden, like a rainbow appearing?"
"Describe a time when you had to react quickly because something happened all of a sudden."
"Do you like surprises that happen all of a sudden, or do you prefer to know what's coming?"
日记主题
Write about a time you experienced something beautiful or exciting all of a sudden. How did it make you feel?
Recall a moment when something scary or unexpected happened all of a sudden. How did you react?
Describe a situation where a sudden change of plans led to a new adventure or discovery.
Reflect on how 'all of a sudden' moments can sometimes teach us important lessons about life or ourselves.
Imagine you're writing a story. How would you use 'all of a sudden' to create suspense or surprise for your readers?
常见问题
10 个问题No, 'sudden' as a noun is almost exclusively used in the fixed phrase 'all of a sudden'. It's not typically used by itself to mean 'a sudden event' in modern English.
'All of a sudden' means that something happened very quickly and unexpectedly, without any prior warning. It emphasizes the surprising and abrupt nature of an event.
Yes, 'sudden' is very commonly used as an adjective, meaning happening or done quickly and unexpectedly. For example, 'a sudden change' or 'a sudden noise.'
Certainly! Here's an example: 'The sky was clear, and then all of a sudden, it started raining heavily.'
'All of a sudden' is quite versatile and can be used in both formal and informal contexts. It's a very common and natural way to express a sudden occurrence.
Yes, some similar phrases include 'suddenly,' 'all at once,' 'unexpectedly,' or 'out of the blue.' While they share similar meanings, 'all of a sudden' often emphasizes the surprise element more strongly.
It's listed as a noun because in the phrase 'all of a sudden,' the word 'sudden' functions grammatically as a noun. It refers to 'a sudden occurrence' or 'a sudden moment,' even though it's bound to that specific phrase.
No, you cannot say 'a sudden' by itself to mean the same thing. The phrase needs to be 'all of a sudden' to convey the meaning of something happening unexpectedly.
Since 'sudden' as a noun is only used in the fixed phrase 'all of a sudden,' it doesn't have a plural form in that context. You wouldn't say 'all of a suddens.'
Yes, 'all of a sudden' is a very common and useful phrase even for A1 level learners. It helps describe unexpected events in simple sentences, and understanding fixed phrases is important for language acquisition.
自我测试 108 个问题
___ of a sudden, the lights went out.
The correct phrase is 'all of a sudden', which means something happened quickly and unexpectedly.
We were walking, and ___ of a sudden, it started to rain.
The fixed phrase 'all of a sudden' is used to describe something that happens quickly and without warning.
The cat jumped ___ of a sudden and scared me.
The idiom 'all of a sudden' indicates an abrupt and unexpected action.
She felt sleepy, then ___ of a sudden, she was awake.
'All of a sudden' is the correct phrase to describe a quick change or event.
The music stopped ___ of a sudden.
The phrase 'all of a sudden' is used to show that something happened unexpectedly and quickly.
He was quiet, and then ___ of a sudden, he started to laugh.
To describe an unexpected and quick action, 'all of a sudden' is the appropriate idiom.
The cat jumped ____________ a mouse.
'All of a sudden' means something happened very fast and without warning.
I was walking, and ____________ the rain started.
'All of a sudden' is the correct phrase to describe something happening quickly and unexpectedly.
Which phrase means 'very fast and without warning'?
The phrase 'all of a sudden' is used to describe something that happens quickly and unexpectedly.
If something happens 'all of a sudden,' it happens slowly.
'All of a sudden' means something happens very fast, not slowly.
When you say 'all of a sudden,' it means you knew it was going to happen.
'All of a sudden' means something happens unexpectedly, without warning.
The phrase 'all of a sudden' describes a quick event.
'All of a sudden' is used to describe an event that happens very quickly.
___ of a sudden, the lights went out.
The fixed phrase is 'all of a sudden', meaning something happened quickly and unexpectedly.
She screamed ___ of a sudden when she saw the mouse.
The correct phrase is 'all of a sudden', indicating a sudden action.
The weather changed ___ of a sudden, and it started to rain.
To describe a quick, unexpected change, we use 'all of a sudden'.
He left ___ of a sudden without saying goodbye.
The fixed idiom 'all of a sudden' is used to express something happening quickly and without warning.
___ of a sudden, a dog ran into the street.
The correct phrase is 'all of a sudden' to describe an unexpected event.
The baby started crying ___ of a sudden.
The phrase 'all of a sudden' indicates an abrupt action or event.
Which phrase means something happened very quickly and without warning?
'All of a sudden' is an idiom used to describe something that happens quickly and unexpectedly.
The dog barked loudly, and _____, the cat jumped onto the table.
The phrase 'all of a sudden' fits best here to show the unexpected action of the cat.
What is the meaning of 'all of a sudden'?
'All of a sudden' describes an event that happens with no warning and at a rapid pace.
If something happens 'all of a sudden', it happens slowly.
'All of a sudden' means something happens quickly, not slowly.
The phrase 'all of a sudden' is used when something happens without warning.
This phrase specifically refers to an unexpected or sudden occurrence.
We use 'all of a sudden' to describe something that was planned.
'All of a sudden' implies something unexpected, not planned.
Listen for when the lights went out.
Listen for how she started to sing.
Listen for when the dog barked.
Read this aloud:
All of a sudden, it started to rain.
Focus: sudden
你说的：
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Read this aloud:
All of a sudden, he opened the door.
Focus: opened
你说的：
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Read this aloud:
All of a sudden, I felt very tired.
Focus: tired
你说的：
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This is a common fixed phrase meaning something happened unexpectedly.
'Sudden' describes the unexpected nature of the pain.
The phrase 'all of a sudden' indicates an unexpected and rapid change.
The phrase 'all of a sudden' means something happened unexpectedly. The sentence describes the dog barking without warning.
This sentence uses 'all of a sudden' to show the crowd's applause was unexpected and immediate.
The phrase 'all of a sudden' emphasizes that her departure was unexpected and she didn't give any warning.
The unexpected news came all of a ___.
The phrase 'all of a sudden' is a fixed idiom meaning unexpectedly or quickly.
All of a ___, the lights went out, plunging the room into darkness.
'All of a sudden' is the correct idiom to express something happening unexpectedly.
She realized, all of a ___, that she had left her keys at home.
The fixed phrase is 'all of a sudden', indicating a sudden realization.
The quiet evening was interrupted all of a ___ by a loud crash.
The idiom 'all of a sudden' is used to describe an unexpected event.
I was walking down the street when, all of a ___, I saw my old friend.
'All of a sudden' correctly conveys the unexpected nature of seeing an old friend.
He changed his mind all of a ___ and decided not to go.
The idiomatic expression 'all of a sudden' is appropriate for a sudden change of mind.
The unexpected thunderstorm appeared ___ of a sudden, forcing everyone to seek shelter.
The phrase 'all of a sudden' is a fixed idiom meaning suddenly or unexpectedly.
She was walking peacefully when, ___ of a sudden, a dog barked loudly, making her jump.
The correct idiom is 'all of a sudden', which signifies an abrupt occurrence.
The quiet classroom was interrupted when, ___ of a sudden, the fire alarm blared.
The fixed phrase 'all of a sudden' is used to express an unexpected and quick event.
The word 'sudden' can be used as a standalone noun to mean an unexpected event.
The definition states that 'sudden' is used almost exclusively in the fixed phrase 'all of a sudden'. It is not typically used as a standalone noun in this context.
When something happens 'all of a sudden', it implies a slow and gradual occurrence.
'All of a sudden' means something happens very fast and without warning, the opposite of slow and gradual.
The phrase 'all of a sudden' is an idiom indicating that something happened unexpectedly.
The phrase 'all of a sudden' is indeed an idiom used to describe a quick or unexpected occurrence.
The quiet evening was interrupted when, all of a ___, a loud clap of thunder echoed through the valley.
The phrase 'all of a sudden' is an idiom meaning unexpectedly or without warning. 'Sudden' in this context is part of a fixed phrase, not a standalone noun referring to an instant or moment.
Just as they were about to give up hope, all of a ___, a rescue helicopter appeared on the horizon.
The idiom 'all of a sudden' is the correct and only grammatically natural choice here to express something happening unexpectedly.
The meeting was progressing smoothly, and then, all of a ___, the CEO announced his immediate resignation, shocking everyone.
The only appropriate word to complete the idiomatic expression 'all of a sudden' in this context is 'sudden', conveying an abrupt and unforeseen event.
We were enjoying a leisurely picnic when, all of a ___, the sky darkened and a torrential downpour began.
The phrase 'all of a sudden' is a set idiom. Using 'sudden' is essential to form this common expression meaning 'unexpectedly'.
He had been struggling with the problem for hours, and then, all of a ___, the solution materialized in his mind.
'All of a sudden' is the established idiom used to indicate an unforeseen or abrupt happening. 'Rapid', 'prompt', and 'swift' are adjectives and cannot complete the phrase in this manner.
The stage was dark and silent, then, all of a ___, the lights flared up and the music burst forth, signaling the start of the show.
The idiomatic phrase 'all of a sudden' is the correct and natural way to convey that something happened without warning. Other options do not form this fixed expression.
Listen for the phrase indicating a sudden change.
Identify the part of the sentence that conveys an unexpected stop.
Pay attention to the phrase describing a rapid change in the political situation.
Read this aloud:
Could you elaborate on the factors that led to the economic downturn all of a sudden, and what measures were implemented to mitigate its impact?
Focus: all of a sudden
你说的：
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Read this aloud:
Describe a situation in your professional life where a significant change occurred all of a sudden, and how you adapted to it.
Focus: all of a sudden
你说的：
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Read this aloud:
In what circumstances might a technological breakthrough emerge all of a sudden, and what could be its broader societal implications?
Focus: all of a sudden
你说的：
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Describe a time when an unexpected event significantly altered your plans. Use the phrase 'all of a sudden' in your description.
Well written! Good try! Check the sample answer below.
Sample answer
I had meticulously planned a serene weekend getaway to the mountains, envisioning quiet hikes and peaceful evenings. All of a sudden, a severe weather warning was issued, necessitating an immediate change of plans. The sudden downpour and strong winds meant we had to cancel our trip and find alternative entertainment closer to home, which was quite a disappointment.
Imagine you are writing a short story. Create a paragraph where 'all of a sudden' introduces a pivotal turning point in the narrative. Focus on building suspense.
Well written! Good try! Check the sample answer below.
Sample answer
The old house stood silhouetted against the pale moonlight, its windows like vacant eyes staring into the inky blackness. A chilling silence hung heavy in the air, broken only by the rustling of leaves in the distant woods. My heart hammered against my ribs as I crept closer, every shadow seeming to stretch and contort into grotesque shapes. All of a sudden, a piercing shriek echoed from within, sending a jolt of terror through my entire being and compelling me to flee.
Explain the grammatical function and common usage of the phrase 'all of a sudden' in formal and informal contexts. Provide examples.
Well written! Good try! Check the sample answer below.
Sample answer
The phrase 'all of a sudden' functions as an adverbial phrase, modifying verbs to indicate that an action or event happened unexpectedly and quickly. In formal contexts, it might be used to describe a rapid shift in a situation, such as: 'All of a sudden, the economic indicators showed an unprecedented decline.' Informally, it's frequently used to recount surprising personal experiences: 'We were just chatting, and all of a sudden, he announced he was moving to Australia!' Its primary role is to highlight abruptness and surprise.
What does the phrase 'all of a sudden' imply about the onset of chaos?
Read this passage:
The ancient prophecy foretold a time of unparalleled peace, followed by an era of profound discord. Scholars had debated for centuries about the signs that would herald this shift, meticulously examining every celestial alignment and earthly tremor. However, the true harbinger of change was far more subtle, a barely perceptible ripple in the fabric of reality that few had noticed. Then, all of a sudden, the delicate balance shattered, and the world was plunged into chaos, defying all prior interpretations of the prophecy.
What does the phrase 'all of a sudden' imply about the onset of chaos?
The phrase 'all of a sudden' explicitly states that the event happened quickly and unexpectedly, contradicting the idea of a gradual buildup or a predicted warning.
The phrase 'all of a sudden' explicitly states that the event happened quickly and unexpectedly, contradicting the idea of a gradual buildup or a predicted warning.
How did the new study impact Maria's work, as indicated by 'all of a sudden'?
Read this passage:
Maria had been diligently working on her thesis for months, each day a methodical progression towards completion. She adhered strictly to her schedule, waking early and spending long hours in the library, convinced that consistency was key. Her progress was slow but steady, and she anticipated a predictable trajectory towards her deadline. Then, all of a sudden, she encountered a groundbreaking new study that entirely invalidated a core premise of her research, forcing her to re-evaluate her entire approach.
How did the new study impact Maria's work, as indicated by 'all of a sudden'?
The phrase 'all of a sudden' highlights the unexpected and disruptive nature of the new study, which invalidated her core premise and forced a re-evaluation.
The phrase 'all of a sudden' highlights the unexpected and disruptive nature of the new study, which invalidated her core premise and forced a re-evaluation.
What is the primary effect of the clock tower springing to life 'all of a sudden'?
Read this passage:
The old clock tower had stood silent for decades, its hands frozen at a quarter past three, a monument to a bygone era. Tourists often paused to admire its weathered facade and speculate about the tales it could tell. Locals had grown so accustomed to its stillness that its presence barely registered. One sweltering afternoon, as the townspeople went about their usual routines, a deep, resounding chime reverberated through the square. All of a sudden, the clock tower sprang to life, its hands whirring as if to catch up on lost time, startling everyone.
What is the primary effect of the clock tower springing to life 'all of a sudden'?
The passage emphasizes the clock's decades of stillness and the townspeople's surprise, underscoring that 'all of a sudden' conveys the unexpected and abrupt nature of its reactivation.
The passage emphasizes the clock's decades of stillness and the townspeople's surprise, underscoring that 'all of a sudden' conveys the unexpected and abrupt nature of its reactivation.
This sentence describes an abrupt and unexpected drop in the stock market following an announcement, fitting the CEFR C1 level for vocabulary and sentence structure.
This sentence uses the fixed phrase 'all of a sudden' to describe a rapid and unforeseen event, appropriate for CEFR C1.
This sentence uses 'sudden' to describe an unexpected and rapid change, which is suitable for a CEFR C1 exercise.
The stock market, with a ___ unexpectedness that caught even seasoned analysts off guard, plummeted to an all-time low, sparking fears of a global recession.
'Sheer' in this context emphasizes the absolute and overwhelming nature of the unexpectedness, fitting the C2 level nuance.
___, the obscure academic's groundbreaking theory, once dismissed as outlandish, gained widespread acceptance, revolutionizing the field of quantum physics.
While 'all of a sudden' is A1, its sophisticated application within a complex C2 sentence structure demonstrates an advanced understanding of idiom usage. The other options don't convey the same idiomatic sense of immediate, unforeshadowed change.
The seemingly intractable diplomatic stalemate was, with a breathtaking ___, resolved during an impromptu late-night meeting, much to the astonishment of international observers.
'Celerity' is a more formal and sophisticated synonym for 'swiftness,' aligning with C2 vocabulary. The other options don't fit the context as well.
Despite years of painstaking research yielding incremental progress, the elusive cure for the disease materialized with a ___ that confounded the scientific community, ushering in a new era of medical breakthroughs.
'Precipitousness' implies a sudden and dramatic occurrence, often with a negative connotation, but here used to emphasize the astonishing speed of the discovery. This advanced vocabulary suits C2.
The clandestine negotiations, shrouded in secrecy for months, reached a definitive conclusion with such an unforeseen ___ that it caught even the most informed pundits off guard, reshaping geopolitical alliances overnight.
'Denouement' refers to the final part of a play, film, or narrative in which the strands of the plot are drawn together and matters are explained or resolved. Its use here in a metaphorical sense for a sudden, unexpected conclusion demonstrates C2 lexical sophistication.
After decades of political inertia, the long-overdue societal reforms were implemented with a ___ that astonished even their most ardent proponents, fundamentally altering the nation's social fabric.
'Seismic alacrity' combines 'seismic' (of enormous proportions or ramifications) with 'alacrity' (brisk and cheerful readiness), creating a powerful and advanced expression for sudden, significant change, perfectly suited for C2.
The unexpected downturn in the market caught many investors off guard, leading to a precipitous decline in stock values. This sudden shift underscored the inherent volatility of global finance.
The term 'sudden' in this context refers to an abrupt and unexpected change, aligning with the definition of 'all of a sudden' as a quick or unexpected occurrence. The other options misinterpret the meaning.
Despite meticulous planning, the project encountered an unforeseen impediment that brought progress to an abrupt halt. This 'sudden' obstacle necessitated a complete re-evaluation of the strategy.
The word 'sudden' is used to describe an unexpected and rapid occurrence, which fits the context of an unforeseen impediment bringing progress to an abrupt halt. The other options contradict this meaning.
The quiet academic lecture was disrupted by a 'sudden', piercing alarm, causing a momentary panic among the attendees. This unexpected interlude broke the otherwise serene atmosphere.
In this context, 'sudden' refers to an abrupt and unannounced occurrence, perfectly describing a piercing alarm disrupting a quiet lecture. The other options misrepresent the immediacy and unexpectedness.
A 'sudden' change in policy is generally indicative of a well-telegraphed and anticipated shift, allowing ample time for adaptation.
A 'sudden' change is inherently unexpected and occurs without prior warning or telegraphing, thus limiting the time for adaptation.
The phrase 'all of a sudden' is typically employed to describe events that unfold gradually over an extended period.
The phrase 'all of a sudden' specifically denotes a quick or unexpected occurrence, not a gradual unfolding of events.
If a situation evolves 'suddenly,' it means there was a conspicuous lack of preparatory indicators or preceding cues.
When something happens 'suddenly,' it implies an absence of warning signs or prior indications, making the occurrence unexpected.
Focus on the unexpected and rapid change.
Pay attention to the immediate and significant impact of the sudden event.
Consider how quickly the situation deteriorated from calm to conflict.
Read this aloud:
The paradigm shift in economic theory occurred all of a sudden, rendering previous models obsolete.
Focus: paradigm, obsolete
你说的：
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Read this aloud:
All of a sudden, the intricate tapestry of alliances unraveled, plunging the region into a state of precarious instability.
Focus: intricate, unravelled, precarious
你说的：
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Read this aloud:
The esoteric debate surrounding quantum mechanics took an unexpected turn all of a sudden, prompting a re-evaluation of established principles.
Focus: esoteric, quantum, re-evaluation
你说的：
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Describe a moment in history that changed all of a sudden due to an unexpected event. Focus on the immediate aftermath and the long-term implications of this sudden shift. Use vivid language to convey the abruptness of the change.
Well written! Good try! Check the sample answer below.
Sample answer
The fall of the Berlin Wall in 1989 was, to many, an all of a sudden event that dramatically reshaped the geopolitical landscape. What began as peaceful protests in East Germany quickly escalated, culminating in the spontaneous decision to open the border crossings. The immediate aftermath was a surge of euphoria and unity, as families reunited and a divided city celebrated. Long-term, this abrupt collapse of a seemingly immutable barrier heralded the end of the Cold War, the reunification of Germany, and a seismic shift in global power dynamics, the ripple effects of which are still felt today.
Imagine you are a journalist reporting on a scientific breakthrough that occurred all of a sudden, completely revolutionizing a field of study. Explain the discovery, its impact, and the initial reactions of the scientific community to this unforeseen development.
Well written! Good try! Check the sample answer below.
Sample answer
In a truly astonishing turn of events, Dr. Aris Thorne's lab announced yesterday a discovery that has, all of a sudden, rewritten the fundamental understanding of quantum entanglement. What began as a routine experiment yielded a completely unanticipated phenomenon: the instantaneous, non-local transfer of complex data, effectively bypassing the speed of light. The scientific community's reaction has been a mixture of stunned disbelief and fervent excitement. Leading physicists are scrambling to replicate the results, acknowledging that this singular revelation could usher in an era of interstellar communication and computational power previously confined to science fiction. The implications for technology and our perception of the universe are simply staggering.
Write a short narrative about a character whose life takes an all of a sudden, unexpected turn, forcing them to confront a new reality. Describe their initial confusion and their subsequent adaptation to the changed circumstances.
Well written! Good try! Check the sample answer below.
Sample answer
Eleanor's meticulously planned existence crumbled all of a sudden with the unexpected letter. One moment she was drafting her retirement itinerary, the next she was staring at legal documents declaring her the sole heir to an eccentric great-aunt's sprawling, dilapidated vineyard in Provence. Her initial confusion was profound; a life of quiet academia in London was poles apart from managing a vineyard she’d never known existed. Yet, amidst the disarray of unfamiliar machinery and the daunting aroma of fermentation, a nascent curiosity began to stir. She embraced the challenge, learning the intricacies of viticulture, slowly but surely adapting to the rhythms of rural life, and finding an unforeseen resilience within herself as the vines transformed her, just as she transformed them.
According to the passage, what was a key factor that amplified the impact of the 2008 financial crisis?
Read this passage:
The global financial crisis of 2008 demonstrated how an all of a sudden market collapse, triggered by subprime mortgage defaults, could send shockwaves across continents. What seemed like isolated incidents quickly spiraled into a systemic failure, leading to bank bailouts and a worldwide recession. The speed and intensity of the downturn caught many economists and policymakers off guard, highlighting the interconnectedness of modern economies and the fragility of financial systems when faced with unforeseen stressors. The recovery was protracted, underscoring the deep impact of such abrupt disruptions.
According to the passage, what was a key factor that amplified the impact of the 2008 financial crisis?
The passage explicitly states that 'The speed and intensity of the downturn caught many economists and policymakers off guard, highlighting the interconnectedness of modern economies and the fragility of financial systems'.
The passage explicitly states that 'The speed and intensity of the downturn caught many economists and policymakers off guard, highlighting the interconnectedness of modern economies and the fragility of financial systems'.
What is the primary argument of punctuated equilibrium as described in the passage?
Read this passage:
In the realm of biological evolution, punctuated equilibrium proposes that evolutionary change occurs all of a sudden, in relatively rapid bursts, interspersed with long periods of stasis. This contrasts with gradualism, which posits a slow, continuous accumulation of small changes. The fossil record, though incomplete, offers compelling evidence for these abrupt morphological shifts, suggesting that major evolutionary leaps are not always the product of incremental modifications but can emerge with surprising swiftness when environmental pressures intensify or new niches open up.
What is the primary argument of punctuated equilibrium as described in the passage?
The passage states that punctuated equilibrium proposes that 'evolutionary change occurs all of a sudden, in relatively rapid bursts, interspersed with long periods of stasis,' which directly supports this option.
The passage states that punctuated equilibrium proposes that 'evolutionary change occurs all of a sudden, in relatively rapid bursts, interspersed with long periods of stasis,' which directly supports this option.
Which of the following best describes the immediate impact of the internet on global communication according to the passage?
Read this passage:
The advent of the internet brought about an all of a sudden transformation in global communication and information dissemination. Before its widespread adoption, sending messages across continents could take days or even weeks. The internet, however, offered near-instantaneous connectivity, collapsing geographical barriers and fostering unprecedented levels of cultural exchange. This abrupt shift not only revolutionized industries like media and commerce but also fundamentally altered social interactions and political discourse, creating a hyper-connected world that continues to evolve at a dizzying pace.
Which of the following best describes the immediate impact of the internet on global communication according to the passage?
The passage states that 'The internet, however, offered near-instantaneous connectivity, collapsing geographical barriers and fostering unprecedented levels of cultural exchange,' directly addressing the immediate impact.
The passage states that 'The internet, however, offered near-instantaneous connectivity, collapsing geographical barriers and fostering unprecedented levels of cultural exchange,' directly addressing the immediate impact.
This phrase signifies an abrupt and unexpected event, emphasizing the surprise element of the revelation.
The phrase 'all of a sudden' is used to highlight the sudden and unanticipated change in the narrative's direction.
This sentence emphasizes the suddenness and unexpected nature of a profound change, using 'all of a sudden' to underscore the abruptness.
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Summary
The noun 'sudden' is almost exclusively used in the phrase 'all of a sudden' to describe something that occurs quickly and without warning.
- Happens very fast
- Without any warning
- Used in 'all of a sudden'
Contextual Learning
Always learn words in context. For 'sudden,' remember the phrase 'all of a sudden' to understand its common usage.
Flashcards
Create flashcards with 'sudden' on one side and its definition and example phrase 'all of a sudden' on the other. Use spaced repetition.
Sentence Building
Practice making your own sentences using 'all of a sudden.' For example, 'All of a sudden, the lights went out.' This helps with active recall.
Visual Association
Imagine a sudden event, like a surprise party or a quick thunderstorm. Connect the word to a strong visual memory.
例句
All of a sudden, the lights went out during the party.
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这个词在其他语言中
更多Emotions词汇
abanimfy
C1A collective psychological state characterized by a profound loss of vitality, spirit, or motivation within a specific group or community. It describes the stagnation that occurs when a social structure or organization loses its shared sense of purpose and creative energy.
abanimize
C1指为了达到超然客观的状态而消除情况中情感强度系统的过程。
abhor
C1指对某事感到强烈的厌恶、憎恨或道德上的反感。这是一个表达深层排斥感的正式用语。
abminity
C1To regard something with intense loathing or extreme disgust; to treat an object or idea as an abomination. It is used in high-level contexts to describe a profound moral or aesthetic aversion toward an action or concept.
abmotine
C1Describes a state of being emotionally detached or lacking intrinsic motivation, often characterized by a cold, clinical, or indifferent stance. It is used to denote a specific lack of movement or response to external emotional stimuli.
abominable
C1Causing a feeling of hatred or disgust; very unpleasant or disagreeable. It often describes something morally repulsive or extremely bad in quality.
abphilous
C1To consciously withdraw or distance oneself from a previous affinity, attraction, or emotional attachment. It involves a systematic effort to break a psychological bond in order to achieve a state of neutrality or objectivity.
absedhood
C1“absedhood”形容一种与周围环境或社会责任深刻脱节或情感退缩的状态。它指的是一种强烈的、通常是自我强加的孤立状态。
abvidness
C1The quality or state of being intensely eager, enthusiastic, or consumed by a particular interest or desire. It represents a level of dedication and spirited engagement that often goes beyond standard enthusiasm, typical of scholars, collectors, or hobbyists.
adacrty
C1Alacrity refers to a cheerful readiness, promptness, or willingness to do something. It describes not only the speed of an action but also the positive and enthusiastic attitude of the person performing it.
