Use '忽然' to express that something happened quickly and unexpectedly without prior warning.
Word in 30 Seconds
- Used to describe unexpected actions.
- Placed before the verb or subject.
- Indicates a sudden change or event.
常见语境：多用于描述自然现象（如：天忽然黑了）、人的心理活动（如：我忽然想起了这件事）或突发的动作（如：他忽然停下了脚步）。在文学作品中，它常用来制造紧张感或转折点。
- 1近义词辨析：‘忽然’与‘突然’意思相近，但在语感上有些许区别。‘突然’既可以是副词也可以是形容词，既能表示动作发生得快，也能形容某种状态（如：情况很突然）；而‘忽然’仅作为副词使用，侧重于动作或状态的突发性。此外，‘猛然’强调动作力度大且快，‘陡然’则多用于书面语，带有强烈的转折意味。
Examples
他忽然停下了脚步。
everydayHe suddenly stopped his pace.
忽然，警报声响了起来。
formalSuddenly, the alarm started ringing.
我忽然想起忘了关灯。
informalI suddenly remembered I forgot to turn off the light.
气温忽然下降了十度。
academicThe temperature dropped suddenly by 10 degrees.
Common Collocations
Common Phrases
忽然之间
in the blink of an eye
忽然想起
suddenly recall
忽然明白
suddenly realize
Often Confused With
Both mean suddenly, but '突然' can be an adjective (e.g., a sudden change), while '忽然' is strictly an adverb.
‘猛然’ emphasizes the force or intensity of the action, whereas '忽然' focuses purely on the unexpected timing.
Grammar Patterns
How to Use It
Usage Notes
Use '忽然' in neutral and literary contexts. It is highly flexible in narrative structures. Avoid using it as a modifier for nouns or in descriptive state-based sentences.
Common Mistakes
Students often use it as an adjective like 'This news is suddenly'. They also sometimes add '地' after it, which is unnecessary as it is already an adverb.
Tips
Placement is key
Place '忽然' before the verb to describe a sudden action. It flows naturally in narrative storytelling.
Not an adjective
Never use '忽然' to describe a noun directly. Use '突然' if you need an adjective.
Literary usage
In Chinese literature, '忽然' is often used to introduce a plot twist. It creates a sense of immediate tension.
Word Origin
The word consists of '忽' (neglect/sudden) and '然' (a suffix forming an adverb). It originally implied something happening so fast that it was neglected/missed by the senses.
Cultural Context
In Chinese storytelling, '忽然' is a classic device to shift the pace of a narrative. It adds a dramatic flair that is essential for suspenseful writing.
Memory Tip
Imagine a light bulb popping on in your head. It happens '忽然' (suddenly) without you planning it.
Frequently Asked Questions
4 questions在大多数表示动作突发的情况下，它们是可以互换的。但‘突然’还可以作形容词使用，例如‘这件事太突然了’，而‘忽然’则不能。
可以的。放在句首时，后面通常会加逗号，以强调事件发生的突发感，增加叙述的生动性。
不可以。因为‘忽然’强调的是发生的动作，否定句通常不与表示突发性的词连用。
它通常不与‘很’、‘非常’等程度副词连用，因为它本身已经包含了‘快速’和‘意外’的含义。
Test Yourself
我正在看书，___听见有人敲门。
‘忽然’表示敲门声是突发的，符合句意。
哪一句用法是正确的？
‘忽然’是副词，应修饰动词‘跑’。
忽然 / 下雨 / 天 / 了
标准的语序是主语+副词+动词。
Score: /3
Summary
Use '忽然' to express that something happened quickly and unexpectedly without prior warning.
- Used to describe unexpected actions.
- Placed before the verb or subject.
- Indicates a sudden change or event.
Placement is key
Place '忽然' before the verb to describe a sudden action. It flows naturally in narrative storytelling.
Not an adjective
Never use '忽然' to describe a noun directly. Use '突然' if you need an adjective.
Literary usage
In Chinese literature, '忽然' is often used to introduce a plot twist. It creates a sense of immediate tension.
Examples
4 of 4他忽然停下了脚步。
He suddenly stopped his pace.
忽然，警报声响了起来。
Suddenly, the alarm started ringing.
我忽然想起忘了关灯。
I suddenly remembered I forgot to turn off the light.
气温忽然下降了十度。
The temperature dropped suddenly by 10 degrees.
Related Content
This Word in Other Languages
Related Phrases
Related Vocabulary
More general words
一下儿
A1a bit, a moment
点儿
A1a little bit
有点儿
A1a little, somewhat (negative connotation)
一下
A2A bit; a moment (used after a verb).
一点儿
A1a little, a bit
一会儿
A1a moment, a while
一部分
B1part; portion; minority
异样
B1different; unusual; strange
关于
A1about, concerning
快要
A2to be about to (happen)
