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controlled

B1 Adjective #21 最常用 10分钟阅读

controlled

前21

At the A1 level, 'controlled' is a word you might use to describe something that follows simple rules or is not wild. Imagine a game or a small pet. If a dog is 'controlled,' it is walking nicely on a leash and not running away. If a car is 'controlled,' the driver is doing a good job and the car is going where it should. It is the opposite of 'crazy' or 'wild.' You can think of it as 'under a person's power.' For example, 'The ball is controlled by the player.' It is a useful word to show that things are okay and safe because someone is taking care of them. At this level, you don't need to worry about the complex meanings; just think of it as 'managed' or 'safe.'

At the A2 level, you can start using 'controlled' to describe how people act or how things are organized. You might hear it in school or at work. For example, 'The teacher keeps a controlled classroom.' This means the students are quiet and following the rules. It is also used for physical things, like 'controlled movements' in a dance or a sport. This means the movements are not accidents; the person is doing them on purpose and with care. You can also use it to talk about simple machines or toys, like a 'remote-controlled car.' This is a very common phrase that helps you understand that 'controlled' means something else is directing the action.

At the B1 level, 'controlled' becomes a more frequent and useful adjective for describing emotions and professional environments. You might use it to describe a person who doesn't get angry easily: 'He has a very controlled manner.' This implies maturity and self-discipline. You will also see it in news reports, such as 'controlled explosions' (when buildings are taken down safely) or 'controlled substances' (medicines that have strict rules). At this level, you should understand that 'controlled' implies a system of rules or a specific intention. It is not just about being 'not wild'; it is about being 'directed' toward a specific result. You can use it to improve your writing by being more specific about how things are managed.

At the B2 level, you should be comfortable using 'controlled' in academic and technical contexts. You will encounter 'controlled experiments' in science, where researchers keep everything the same to get a fair result. You might also discuss 'controlled economies' in social studies, where the government makes the big decisions. In literature or film analysis, you might describe a director's 'controlled style,' meaning every shot is carefully planned and nothing is left to chance. At this level, you should also be aware of the difference between 'controlled' and 'controlling.' 'Controlled' is usually a neutral or positive description of a state, while 'controlling' is often a negative description of a person's behavior toward others.

At the C1 level, 'controlled' is used to describe complex systems and subtle nuances in behavior or art. You might use it to discuss 'controlled volatility' in financial markets or 'controlled chaos' in a creative process—where things look messy but are actually being directed by a master hand. In professional writing, you might use it to describe 'controlled growth' of a company, implying that the expansion is sustainable and not reckless. You should be able to use the word to convey a sense of mastery and precision. For example, 'The author's controlled prose' suggests a high level of skill where every word is chosen for a specific effect. It is a word that signals sophistication and a deep understanding of management and restraint.

At the C2 level, 'controlled' is a tool for precise philosophical and systemic analysis. You might explore the concept of 'controlled environments' in the context of urban planning or social engineering. You could use it to describe the 'controlled release' of information by a government or corporation, implying a strategic and perhaps manipulative intent. At this level, you can use 'controlled' to discuss the tension between freedom and regulation in any field. You should be able to use it in highly formal contexts, such as legal briefs or scientific papers, with perfect accuracy. The word becomes a way to discuss the very nature of power, order, and the human desire to master the unpredictable elements of the world.

开始练习例句笔记与提示

controlled 30秒了解

Controlled describes something managed or restrained by rules or authority to maintain order and prevent chaos in various situations.
In science, it refers to experiments where variables are kept constant to ensure that the results are accurate and reliable.
Emotionally, it describes a person who remains calm and disciplined, showing self-restraint even when they are under significant pressure.
Legally and technically, it identifies substances or areas that are strictly regulated by the government for safety and security reasons.

The adjective controlled is a versatile term used to describe something that is kept under strict limits, managed by a specific authority, or maintained in a state of order to prevent chaos. At its core, it implies the presence of a 'controller'—whether that be a person, a set of rules, a physical mechanism, or one's own willpower. When we say something is controlled, we are highlighting that its behavior is predictable and intentional rather than random or wild.

Scientific Context: In a laboratory setting, a controlled experiment is one where all variables are kept constant except for the one being tested. This ensures that the results are reliable and not influenced by outside factors.

The scientists conducted a controlled study to determine the efficacy of the new vaccine.

Beyond science, the word frequently appears in emotional and social contexts. If a person has a controlled manner, they are not prone to outbursts; they process their feelings internally and present a calm, professional exterior. This is often seen as a sign of maturity or professional discipline, particularly in high-stakes environments like surgery, aviation, or emergency response. In these fields, being 'controlled' is a survival mechanism.

Mechanical and Physical Control: In engineering, a controlled descent of an aircraft or a controlled explosion in demolition indicates that the energy is being released in a way that is safe and directed toward a specific goal.

The demolition team performed a controlled blast to bring down the old stadium safely.

In the realm of law and public safety, we often hear about controlled substances. These are drugs or chemicals whose manufacture, possession, and use are regulated by the government because of their potential for abuse or addiction. Here, 'controlled' serves as a legal designation that triggers specific penalties and oversight. Similarly, controlled airspace refers to regions of the sky where air traffic control service is provided, ensuring that planes do not collide.

Economic and Social Systems: A controlled economy is one where the government determines what goods are produced and at what price, contrasting with a free-market economy.

The transition from a state-controlled economy to a market-based one was difficult for the nation.

Ultimately, 'controlled' is about the absence of randomness. Whether it is a controlled burn in a forest to prevent larger wildfires or a controlled environment for growing sensitive plants, the word implies that humans have stepped in to provide a framework of safety and purpose. It is a word of precision, restraint, and authority.

Using the word controlled correctly requires an understanding of its role as an adjective. It usually appears before a noun (attributive position) to describe a specific type of thing, or after a linking verb (predicative position) to describe the state of the subject. Because it is a passive-sounding adjective (derived from the past participle of the verb 'control'), it emphasizes that something is being acted upon.

Attributive Use (Before Nouns): This is the most common way to use the word. It defines the noun as being subject to regulation or restraint.

The pilot made a controlled landing despite the engine failure.

When using 'controlled' in this way, you can modify it with adverbs to show the degree of control. For example, 'strictly controlled,' 'tightly controlled,' or 'loosely controlled.' These modifiers help the reader understand the intensity of the management. A 'strictly controlled' border is very different from a 'loosely controlled' one.

Predicative Use (After Verbs): In this position, 'controlled' describes the subject's state, often following verbs like 'be,' 'seem,' 'remain,' or 'stay.'

Even under intense pressure, her voice remained calm and controlled.

In psychological contexts, 'controlled' is often paired with emotions. We talk about 'controlled anger' or 'controlled passion.' This suggests that the person is feeling the emotion but is choosing how and when to express it, rather than letting the emotion dictate their actions. This nuance is vital for descriptive writing where character depth is important.

Negative Forms: The opposite of controlled is 'uncontrolled.' Using these in tandem can create strong contrast in your writing.

The wildfire moved from a controlled burn to an uncontrolled disaster in minutes.

Finally, remember that 'controlled' can also refer to physical spaces. A 'controlled entry' point means you need a key or permission to enter. In this sense, it is synonymous with 'restricted.' By varying your use of 'controlled' across these different contexts—physical, emotional, and systemic—you can demonstrate a high level of English proficiency.

The word controlled is ubiquitous in professional, academic, and technical discourse. You are less likely to hear it in casual slang, but you will encounter it daily in news reports, documentaries, and workplace instructions. It is a 'high-utility' word that signals a level of seriousness and organization.

In the News and Media: Journalists use 'controlled' to describe government actions or environmental events. Phrases like 'controlled explosion' or 'controlled growth' are common headlines.

The central bank announced a controlled devaluation of the currency to boost exports.

In the medical field, 'controlled' is part of the standard terminology for clinical research. If you listen to medical podcasts or read health news, you will constantly hear about 'randomized controlled trials' (RCTs). This is considered the 'gold standard' of scientific evidence. Hearing this word tells the listener that the study was rigorous and the results are likely trustworthy.

In Corporate and Professional Settings: Managers use 'controlled' to describe project rollouts or budget management. A 'controlled rollout' means a product is released to a small group first to test for bugs.

We need to maintain controlled spending throughout the fourth quarter.

In the world of sports, commentators often praise an athlete's 'controlled performance.' This doesn't mean the athlete is being told what to do by a coach in real-time; rather, it means the athlete is showing great discipline, not wasting energy, and following a strategic plan. It is the opposite of 'playing with reckless abandon.' You might hear a commentator say, 'He showed such controlled aggression on the field today.'

In Environmental Science: Ecologists talk about 'controlled burns' (also known as prescribed burns). These are fires intentionally set to clear underbrush and prevent larger, more dangerous wildfires.

The forest service is planning a controlled burn for next Tuesday, weather permitting.

By paying attention to these contexts, you can see that 'controlled' is a word of authority and expertise. It suggests that someone is in charge and that there is a plan in place. Whether in the lab, the cockpit, or the boardroom, 'controlled' is a hallmark of professional conduct.

While controlled is a common word, it is frequently misused in ways that can confuse a native speaker or make a piece of writing feel 'off.' The most common errors involve confusing it with related word forms or failing to understand the passive nature of the adjective.

Mistake 1: Controlled vs. Controlling: This is the most frequent error. 'Controlled' describes the object being managed, while 'controlling' describes the person or entity doing the managing.

Incorrect: He has a very controlled personality and likes to tell everyone what to do.
Correct: He has a very controlling personality.

In the example above, the person is the one exerting power, so 'controlling' is the correct choice. If you say someone has a 'controlled personality,' it means they are very disciplined and calm, which is usually a positive trait, whereas 'controlling' is usually negative.

Mistake 2: Controlled vs. Controllable: 'Controlled' means it is currently being managed. 'Controllable' means it has the potential to be managed.

The situation is not yet controlled, but we believe it is controllable.

If you say a fire is 'controllable,' you are being optimistic that you can put it out. If you say it is 'controlled,' you have already succeeded in limiting its spread. Mixing these up can lead to serious misunderstandings in emergency or technical situations.

Mistake 3: Overusing 'Controlled' for 'Restrained': While 'controlled' can mean 'restrained,' it often implies a more systemic or mechanical management. For physical restraint of a person, 'restrained' or 'held' is often better.

The suspect was restrained by the officers (Better than 'controlled' in a physical struggle context).

Finally, be careful with the spelling. It is 'controlled' with two 'l's. Learners often forget the second 'l' because the base word 'control' only has one. This is a standard rule in English: when a word ends in a single vowel followed by a single consonant and the last syllable is stressed, you double the consonant before adding '-ed' or '-ing.'

By avoiding these common pitfalls, you will use 'controlled' with the precision it demands, ensuring your English sounds natural and professional.

The word controlled is excellent, but using it too often can make your writing repetitive. Depending on the context—whether you are talking about emotions, laws, or physical movement—there are several alternatives that might be more precise.

Regulated: Use this when talking about laws, rules, or systems. It implies a formal set of standards.

The banking industry is highly regulated to prevent fraud.

While 'controlled' could work here, 'regulated' sounds more professional in a business or legal context. It suggests that there is a governing body (like a regulator) overseeing the activity. 'Controlled' might sound a bit more restrictive or even authoritarian in some political contexts.

Restrained: Use this for emotions or physical movement. It implies holding back something that wants to break free.

She gave a restrained smile, not wanting to seem too eager.

'Restrained' is more descriptive than 'controlled' when talking about human behavior. It carries a sense of tension—as if the person is actively working to keep their feelings in check. 'Controlled' sounds a bit more clinical or detached.

Managed: Use this for projects, businesses, or expectations. It implies a more active, day-to-day oversight.

The project was managed carefully to ensure it stayed under budget.

In summary, choose 'regulated' for laws, 'restrained' for emotions, 'managed' for tasks, and 'disciplined' for personal conduct. Reserve 'controlled' for situations involving scientific rigor, legal classifications (like substances), or mechanical precision. This variety will make your English sound more nuanced and sophisticated.

How Formal Is It?

正式

中性

非正式

Child friendly

俚语

趣味小知识

Originally, 'control' was a noun referring to a second scroll used to check the accuracy of a first scroll. So, to 'control' something was literally to check it against a second list!

发音指南

UK /kənˈtrəʊld/

US /kənˈtroʊld/

The stress is on the second syllable: con-TROLLED.

押韵词

rolled bold cold fold gold hold sold told scold

常见错误

Pronouncing the 'o' in the first syllable like 'on' instead of a schwa.
Forgetting to pronounce the 'd' at the end.
Stressing the first syllable (CON-trolled).
Confusing the pronunciation with 'controlling'.
Making the 't' sound too soft.

难度评级

阅读 3/5

Common in news and textbooks, easy to recognize.

写作 4/5

Requires knowledge of doubling the 'l' and choosing the right context.

口语 3/5

Easy to pronounce but requires correct stress on the second syllable.

听力 2/5

Clear pronunciation makes it easy to hear in most contexts.

接下来学什么

前置知识

control rule manage safe power

接下来学习

regulate restrain variable substance environment

高级

volatility parameters methodology governance prescribed

需要掌握的语法

Doubling Consonants

Control ends in a single vowel + consonant and the last syllable is stressed, so it becomes 'controlled'.

Past Participle as Adjective

'Controlled' is the past participle of 'control' used to describe a state.

Passive Voice Construction

The situation 'is controlled' by the authorities.

Adverbial Modification

Use adverbs like 'strictly' or 'tightly' before 'controlled'.

Attributive vs Predicative

A 'controlled fire' (attributive) vs 'The fire was controlled' (predicative).

按水平分级的例句

The dog is controlled by the boy.

Le chien est contrôlé par le garçon.

Passive voice: 'is controlled by'.

The car is controlled with a remote.

La voiture est contrôlée avec une télécommande.

Instrumental 'with'.

Keep your movements controlled.

Gardez vos mouvements contrôlés.

Adjective after the object.

The fire is now controlled.

Le feu est maintenant contrôlé.

Predicative adjective.

Is the game controlled by rules?

Le jeu est-il contrôlé par des règles ?

Question form.

The water flow is controlled.

Le débit d'eau est contrôlé.

Simple subject-verb-adjective.

She has a controlled voice.

Elle a une voix contrôlée.

Attributive adjective.

The robot is controlled by a computer.

Le robot est contrôlé par un ordinateur.

Agent 'by a computer'.

The teacher wants a controlled classroom.

L'enseignant veut une classe contrôlée.

Attributive adjective.

He made a controlled stop at the light.

Il a fait un arrêt contrôlé au feu.

Noun phrase 'controlled stop'.

The experiment was done in a controlled room.

L'expérience a été faite dans une salle contrôlée.

Prepositional phrase 'in a... room'.

They use controlled heat to cook the food.

Ils utilisent une chaleur contrôlée pour cuire les aliments.

Describing a physical property.

The pilot kept the plane controlled.

Le pilote a gardé l'avion contrôlé.

Object complement.

Is this a controlled area?

Est-ce une zone contrôlée ?

Identifying a state.

The music had a controlled rhythm.

La musique avait un rythme contrôlé.

Describing abstract nouns.

She gave a controlled response to the question.

Elle a donné une réponse contrôlée à la question.

Focus on behavior.

The doctor prescribed a controlled substance.

Le médecin a prescrit une substance contrôlée.

Legal/Medical terminology.

The demolition was a controlled explosion.

La démolition était une explosion contrôlée.

Technical term.

He spoke with controlled anger.

Il a parlé avec une colère contrôlée.

Emotional nuance.

The study was conducted under controlled conditions.

L'étude a été menée dans des conditions contrôlées.

Standard academic phrase.

The company is aiming for controlled growth.

L'entreprise vise une croissance contrôlée.

Business context.

The pilot performed a controlled descent.

Le pilote a effectué une descente contrôlée.

Aviation term.

She maintained a controlled expression during the trial.

Elle a gardé une expression contrôlée pendant le procès.

Describing facial expressions.

The forest service started a controlled burn.

Le service forestier a commencé un brûlage contrôlé.

Environmental term.

A randomized controlled trial is necessary for proof.

Un essai contrôlé randomisé est nécessaire pour la preuve.

Scientific jargon.

The government implemented a controlled economy.

Le gouvernement a mis en place une économie contrôlée.

Political/Economic term.

The athlete showed controlled aggression on the field.

L'athlète a fait preuve d'une agressivité contrôlée sur le terrain.

Sports psychology.

The software update was a controlled rollout.

La mise à jour du logiciel était un déploiement contrôlé.

Tech industry term.

The artist's style is very controlled and precise.

Le style de l'artiste est très contrôlé et précis.

Artistic criticism.

We need to keep the variables controlled in this test.

Nous devons garder les variables contrôlées dans ce test.

Experimental design.

The situation requires a controlled response from the police.

La situation exige une réponse contrôlée de la part de la police.

Public safety context.

He has a controlled way of presenting his arguments.

Il a une façon contrôlée de présenter ses arguments.

Communication style.

The novel's controlled prose masks a deep emotional core.

La prose contrôlée du roman masque un noyau émotionnel profond.

Literary analysis.

The central bank manages the currency with controlled volatility.

La banque centrale gère la monnaie avec une volatilité contrôlée.

Advanced economics.

The project was a masterpiece of controlled chaos.

Le projet était un chef-d'œuvre de chaos contrôlé.

Oxymoron usage.

The diplomat's controlled silence was more powerful than words.

Le silence contrôlé du diplomate était plus puissant que les mots.

Subtle social cues.

They operate in a highly controlled regulatory environment.

Ils opèrent dans un environnement réglementaire hautement contrôlé.

Corporate/Legal context.

The surgery was a series of controlled, minute incisions.

La chirurgie consistait en une série d'incisions contrôlées et minuscules.

Medical precision.

The architect used controlled lighting to create a specific mood.

L'architecte a utilisé un éclairage contrôlé pour créer une ambiance spécifique.

Design terminology.

Her controlled performance earned her an Academy Award.

Sa performance contrôlée lui a valu un Oscar.

Performance art.

The regime maintains power through a controlled narrative.

Le régime maintient le pouvoir grâce à un récit contrôlé.

Political science/Sociology.

The experiment's validity rests on the strictly controlled parameters.

La validité de l'expérience repose sur les paramètres strictement contrôlés.

High-level research.

He writes with a controlled intensity that is rare in modern fiction.

Il écrit avec une intensité contrôlée qui est rare dans la fiction moderne.

Stylistic critique.

The controlled release of the pathogen was a catastrophic failure.

La libération contrôlée de l'agent pathogène a été un échec catastrophique.

Scientific/Disaster context.

The market's controlled correction prevented a total collapse.

La correction contrôlée du marché a empêché un effondrement total.

Macroeconomics.

The philosopher argued that a controlled life is the only virtuous one.

Le philosophe a soutenu qu'une vie contrôlée est la seule vertueuse.

Ethics/Philosophy.

The satellite made a controlled re-entry into the atmosphere.

Le satellite a effectué une rentrée contrôlée dans l'atmosphère.

Aerospace engineering.

The CEO's controlled demeanor during the crisis saved the company.

Le comportement contrôlé du PDG pendant la crise a sauvé l'entreprise.

Leadership qualities.

常见搭配

controlled experiment

controlled substance

controlled environment

controlled explosion

controlled growth

controlled descent

controlled anger

strictly controlled

controlled conditions

remote-controlled

常用短语

Under controlled conditions

Controlled burn

Controlled release

Controlled entry

Controlled flight

Controlled vocabulary

Controlled trial

Controlled airspace

Controlled price

Controlled atmosphere

容易混淆的词

controlled vs Controlling

Controlling describes the person in power; controlled describes the thing being managed.

controlled vs Controllable

Controllable means it CAN be controlled; controlled means it IS ALREADY controlled.

controlled vs Restrained

Restrained is more about holding back emotions; controlled is more about systematic management.

习语与表达

"Controlled chaos"

A situation that appears disorganized but is actually being managed.

The kitchen during the dinner rush was a scene of controlled chaos.

Informal

"Keep a tight rein on"

To maintain very strict control over something.

The manager keeps a tight rein on the budget.

Neutral

"Under one's thumb"

To be completely controlled by someone else.

He has the whole department under his thumb.

Informal

"In the driver's seat"

To be in control of a situation.

With the new funding, we are finally in the driver's seat.

Informal

"Call the shots"

To be the person who makes the important decisions.

In this house, my mother calls the shots.

Informal

"Pull the strings"

To control a situation or person secretly.

He is the one pulling the strings behind the scenes.

Neutral

"Hold the cards"

To be in a strong position to control a negotiation.

The union holds all the cards in these talks.

Informal

"Rule with an iron fist"

To control a group or country very strictly and harshly.

The dictator ruled the nation with an iron fist.

Formal

"Run a tight ship"

To manage an organization in a very disciplined way.

Our new principal runs a tight ship.

Informal

"Lose control"

The opposite of being controlled; to become wild or chaotic.

The driver lost control of the car on the ice.

Neutral

容易混淆

controlled vs Controlling

Both come from the same verb.

Controlling is active (the person doing it); controlled is passive (the thing it is happening to).

A controlling boss vs. a controlled environment.

controlled vs Regulated

They both mean following rules.

Regulated usually implies official government laws; controlled can be any kind of management.

A regulated industry vs. a controlled experiment.

controlled vs Restricted

Both mean limited.

Restricted means you are not allowed to go there or do that; controlled means the area is managed.

A restricted area vs. a controlled entry point.

controlled vs Disciplined

Both involve order.

Disciplined is usually for people and their habits; controlled is for situations or objects.

A disciplined athlete vs. a controlled performance.

controlled vs Managed

Both mean someone is in charge.

Managed is often for business tasks; controlled is often for scientific or physical states.

A managed project vs. a controlled substance.

句型

The [noun] is controlled.

The car is controlled.

It is a [adjective] [noun].

It is a controlled environment.

He/She spoke with controlled [emotion].

She spoke with controlled excitement.

Under [adverb] controlled conditions...

Under strictly controlled conditions, the test began.

The [noun] was a controlled [noun].

The demolition was a controlled explosion.

The [noun] is a masterpiece of controlled [noun].

The film is a masterpiece of controlled tension.

Maintaining a controlled [noun] is vital.

Maintaining a controlled regulatory environment is vital.

The validity of [noun] rests on [adjective] controlled [noun].

The validity of the study rests on strictly controlled parameters.

词族

名词

动词

形容词

如何使用

frequency

High (Top 3000 words in English)

常见错误

He is a very controlled person who bosses everyone. → He is a very controlling person.
Use 'controlling' for someone who exerts power over others; 'controlled' means the person is disciplined.
The fire is controllable now. → The fire is controlled now.
'Controllable' means it can be managed in the future; 'controlled' means it is managed right now.
The experiment was controled. → The experiment was controlled.
You must double the 'l' because the last syllable of 'control' is stressed.
He spoke with a controlling voice. → He spoke with a controlled voice.
A 'controlled voice' is calm; a 'controlling voice' would be one trying to command others.
The area is controlled to the public. → The area is controlled or restricted to the public.
We usually say 'controlled by' or 'restricted to'.

小贴士

The Double L Rule

Always remember to double the 'l' in controlled. It's one of the most common spelling mistakes for English learners.

Science Staples

If you are writing a lab report, 'controlled variable' and 'controlled conditions' are essential terms you must use.

Emotional Control

When describing a hero in a story, use 'controlled' to show they are brave and calm under pressure.

Adverb Partners

Pair 'controlled' with 'strictly' for rules and 'carefully' for actions to sound more like a native speaker.

Legal Awareness

Be aware that 'controlled substance' is a very serious term in English-speaking countries, often related to criminal law.

Artistic Precision

In art or music reviews, use 'controlled' to describe work that is very neat and shows great technical skill.

News Keywords

When you hear 'controlled' on the news, pay attention to what follows—it's usually about safety or government rules.

Avoid Repetition

If you've used 'controlled' once, try 'regulated' or 'managed' in the next sentence to keep your writing fresh.

Workplace Calm

Describing your own work style as 'controlled' suggests you are organized and don't panic easily.

Emergency Terms

In an emergency, hearing that a fire or situation is 'controlled' is a sign that the danger is decreasing.

记住它

记忆技巧

Think of a 'Control' button on a keyboard. When you press it, you are managing or directing what the other keys do. A 'controlled' situation is one where the 'Control' button is always pressed.

视觉联想

Imagine a scientist in a white lab coat carefully holding a test tube. Everything in the room is clean, organized, and labeled. This is a 'controlled' environment.

Word Web

Rules Management Restraint Safety Science Authority Order Limits

挑战

Try to use the word 'controlled' in three different ways today: once for an emotion, once for a physical object, and once for a rule or system.

词源

The word 'controlled' comes from the verb 'control,' which has its roots in Medieval Latin and Old French. It entered Middle English in the 14th century. The original concept was related to bookkeeping and verification of accounts.

原始含义： It comes from the Medieval Latin 'contrarotulus,' which means 'a counter-roll' or a duplicate register used to verify accounts. 'Contra' (against) + 'rotulus' (roll/scroll).

Indo-European > Italic > Romance > French > English.

文化背景

Be careful when describing people from different cultures as 'controlled.' In some cultures, emotional restraint is a sign of respect, while in others, it may be seen as being cold or unfriendly.

In the UK and US, 'controlled' is the standard term for regulated drugs. In business, 'controlled growth' is a common buzzword for sustainable success.

The concept of a 'Controlled Experiment' is fundamental to the Scientific Revolution and figures like Francis Bacon. In the movie 'Apollo 13,' the 'controlled' behavior of the ground crew is depicted as the key to saving the astronauts. George Orwell's '1984' explores a 'controlled' society where even thoughts are regulated by the state.

在生活中练习

真实语境

Science & Research

controlled variable
control group
controlled study
under laboratory conditions

Aviation & Transport

controlled airspace
controlled descent
controlled stop
air traffic control

Medicine & Law

controlled substance
controlled release
prescribed medication
regulatory body

Psychology & Behavior

controlled anger
self-controlled
controlled manner
emotional restraint

Engineering & Tech

remote-controlled
computer-controlled
controlled explosion
automated system

对话开场白

"Do you think a controlled economy is better than a free market for developing nations?"

"Have you ever played with a remote-controlled drone or car? Was it easy to use?"

"In a crisis, do you think it's better to be emotional or to stay controlled?"

"What are some controlled substances in your country that require a doctor's note?"

"How do scientists make sure an experiment is truly controlled and fair?"

日记主题

Describe a time when you had to keep your emotions controlled even though you were very upset.

If you could have a remote-controlled robot to do one chore for you, what would it be and why?

Write about the importance of a controlled environment in a specific job, like a chef or a pilot.

Do you prefer a strictly controlled schedule or a more flexible one? Explain your reasons.

Discuss the pros and cons of living in a highly controlled society versus a very free one.

常见问题

10 个问题

It is usually neutral or positive, implying order, safety, and discipline. However, in political contexts, it can be negative if it implies a lack of freedom.

It is a legal term for a drug or chemical whose manufacture and use are regulated by the government because of the risk of abuse.

Yes, but it means they are calm and disciplined. If you mean they like to boss people around, use 'controlling' instead.

Because the stress in 'control' is on the second syllable, and it ends in a single vowel and consonant. You must double the 'l' before adding '-ed'.

It is a scientific test where the researcher changes only one variable at a time to see its effect, keeping everything else the same.

Yes, when it is used as an adjective before a noun (e.g., a remote-controlled car), it should be hyphenated.

It is an idiom for a situation that looks very messy or busy but is actually being handled well by the people in charge.

The most direct opposite is 'uncontrolled.' Other opposites include 'wild,' 'chaotic,' and 'random.'

You might talk about 'controlled growth,' 'controlled spending,' or a 'controlled rollout' of a new product.

It means the pilot is intentionally bringing the plane down in a safe and steady way, rather than falling out of the sky.