B1 adjective #5,000 most common 3 min read

非法

Something that is against the law.

feifa

Explanation at your level:

非法 means 'illegal.' You use it when someone breaks the law. For example, if you steal something, it is 非法. It is a very important word to know so you understand what is allowed and what is not allowed in a country.

When you see the word 非法, think of 'against the law.' It is used for actions that are not permitted by the government. You might see it in the news when people break rules. It is a formal way to say something is not legal.

非法 is an adjective used to describe activities that violate legal statutes. It is more formal than saying 'not allowed.' It is frequently used in news reports regarding crime, trade, or immigration. Using this word shows you understand formal vocabulary related to social order.

The term 非法 carries a strong connotation of illegitimacy. It is used to categorize actions that fall outside the protection or permission of the law. In professional or academic writing, it is the standard term for describing prohibited conduct, replacing simpler phrases like 'against the rules.'

At the C1 level, you recognize that 非法 is often used in legal and political discourse to challenge the legitimacy of an action. It is not merely descriptive; it is often used in arguments to define the boundaries of state power. It is a key term in debates regarding human rights, economic regulations, and international law.

Mastering 非法 involves understanding its nuanced role in historical and legal texts. It contrasts with '合法' (legal) to create a binary framework for social justice discussions. You will find it in literature and historical chronicles to describe actions that were considered 'outside the mandate of heaven' or 'contrary to the established order.' Its usage reflects a deep understanding of the relationship between the individual and the state.

Word in 30 Seconds

  • Means 'illegal' or 'against the law'.
  • Used in formal and legal contexts.
  • Antonym is '合法' (legal).
  • Commonly used in news and reports.

When we use the word 非法 (fēi fǎ), we are talking about anything that breaks the rules set by a government or a legal system. Think of it as the opposite of 'legal' or 'lawful.'

It is a serious word often used in news, courtrooms, and official documents. If someone does something 非法, they might face consequences like fines or even jail time because they didn't follow the established legal framework.

You might hear this word in phrases like 'illegal activity' or 'illegal immigration.' It is important to remember that this word carries a heavy weight—it isn't just about breaking a house rule, but about violating the laws that keep a society running smoothly.

The word 非法 is a compound word from Classical Chinese. The character (fēi) means 'not' or 'wrong,' while (fǎ) refers to 'law' or 'method.'

Historically, was associated with the Legalist school of philosophy in ancient China, which emphasized strict adherence to state laws. By combining these, the term evolved to describe anything that falls outside the boundaries of these state-mandated codes.

Over centuries, the usage has remained remarkably consistent. It has always been used to contrast legitimate state power with actions that challenge or ignore that power. It is a classic example of how Chinese characters build complex meanings from simple, foundational concepts.

You will mostly see 非法 in formal or semi-formal settings. It is very common in journalism, legal reports, and academic discussions about ethics or crime.

Common collocations include 非法行为 (illegal behavior), 非法入境 (illegal entry), and 非法所得 (illegal gains). These phrases are standard in news reporting.

While you can use it in conversation, it sounds quite serious. If you are talking to a friend about a minor rule, you might use '不合法' (not lawful) or just say 'that's not allowed,' but 非法 is reserved for things that are truly against the law.

While 非法 is a direct descriptor, it appears in several fixed expressions:

  • 非法集会: Illegal assembly; gathering without a permit.
  • 非法拘禁: Illegal detention; holding someone against their will.
  • 非法经营: Illegal business practices; operating without a license.
  • 非法侵入: Trespassing; entering property without permission.
  • 非法持有: Illegal possession; carrying prohibited items like weapons.

These idioms are used primarily in legal contexts to categorize specific types of criminal activity.

In Chinese, 非法 functions as an adjective. It usually precedes a noun (e.g., 非法交易 - illegal trade) or acts as a predicate (e.g., 这个行为是非法的 - this action is illegal).

The pronunciation is fēi (first tone) and (third tone). It is a very rhythmic, two-syllable word. It rhymes with words like bēi dǎ (sadly hit) or guī huà (planning), though these are unrelated in meaning.

There is no plural form, as it is an abstract adjective. It does not require special articles, but it is often paired with the particle '的' when describing a noun.

Fun Fact

The character 法 originally depicted a mythical creature that could distinguish right from wrong.

Pronunciation Guide

UK fēi fǎ

Standard Mandarin tones

US fēi fǎ

Standard Mandarin tones

Common Errors

  • Mixing up tones
  • Pronouncing fēi as fěi
  • Pronouncing fǎ as fā

Rhymes With

归化 悲剧 规画 飞马 肥大

Difficulty Rating

Reading 2/5

Common in formal texts

Writing 2/5

Useful for formal essays

Speaking 3/5

Used in serious discussions

Listening 2/5

Common in news

What to Learn Next

Prerequisites

法律 警察 规则

Learn Next

合法 制裁 起诉

Advanced

违宪 规章制度

Grammar to Know

Adjective Predicates

这个是非法的。

Noun Modification

非法行为

Formal Register

Use in formal contexts

Examples by Level

1

这是非法的。

This is illegal.

Adjective usage

2

他做了非法的事。

He did an illegal thing.

Subject-verb-object

3

非法行为是不好的。

Illegal behavior is not good.

Subject as noun phrase

4

这是非法交易。

This is an illegal trade.

Adjective + Noun

5

非法是不允许的。

Illegal is not allowed.

Abstract noun usage

6

他被捕因为非法。

He was arrested because of illegal (acts).

Causal sentence

7

非法的东西不能卖。

Illegal things cannot be sold.

Passive voice

8

这很非法。

This is very illegal.

Degree adverb

1

非法入境是违法的。

2

他参与了非法活动。

3

警察阻止了非法行为。

4

非法所得会被没收。

5

这是非法的比赛。

6

不要做非法的事。

7

非法捕鱼被禁止。

8

非法软件很危险。

1

非法集会被警方驱散。

2

他因非法持有武器被捕。

3

非法移民是一个复杂的问题。

4

非法经营会导致罚款。

5

非法采矿破坏了环境。

6

这些是非法证据。

7

他被指控非法拘禁。

8

非法下载侵犯了版权。

1

非法手段获取的利润不合法。

2

政府打击非法金融活动。

3

非法倾倒垃圾是犯罪行为。

4

他试图通过非法途径出国。

5

非法垄断损害了市场竞争。

6

非法药物交易危害社会。

7

非法改装车辆会被罚款。

8

非法监听侵犯了个人隐私。

1

该组织被取缔,因为其活动被认定为非法。

2

非法获利的行为受到法律的严厉制裁。

3

非法采伐森林对生态平衡造成了不可逆的破坏。

4

非法移民问题在国际政治中极具争议。

5

他利用非法渠道转移了大量资金。

6

非法拘禁他人将面临严重的刑事指控。

7

非法行医在任何国家都是被严厉禁止的。

8

非法干扰选举被视为对民主制度的威胁。

1

这种非法行径是对社会契约的公然践踏。

2

非法资金的洗白过程往往极其隐蔽。

3

非法获取的权力终究难以长久维持。

4

非法证据排除规则是现代司法公正的基石。

5

非法采矿不仅是经济问题,更是深刻的伦理困境。

6

非法侵入他人领土的行为引发了外交危机。

7

非法集资案件往往涉及众多的受害者。

8

非法手段往往伴随着道德的丧失。

Common Collocations

非法行为
非法所得
非法集会
非法入境
非法经营
非法持有
非法交易
非法侵入
非法手段
认定非法

Idioms & Expressions

"非法集会"

gathering without permission

非法集会会被驱散。

formal

"非法拘禁"

holding someone illegally

他被控非法拘禁。

formal

"非法所得"

money earned illegally

非法所得应上缴。

formal

"非法经营"

running a business without a license

非法经营会导致罚款。

formal

"非法持有"

possessing illegal items

非法持有毒品是违法的。

formal

"非法侵入"

trespassing

非法侵入者将被逮捕。

formal

Easily Confused

非法 vs 违法

Both relate to law

违法 can be a verb, 非法 is purely an adjective.

他违法了 (He broke the law) vs 这是一个非法行为 (This is an illegal act).

非法 vs 不法

Similar characters

不法 is often used for people (不法分子).

不法分子 (Criminals).

非法 vs 违规

Both mean against rules

违规 is for minor rules, 非法 is for state law.

违规停车 (Illegal parking - minor) vs 非法交易 (Illegal trade - major).

非法 vs 禁忌

Both mean prohibited

禁忌 is for cultural/social taboos.

这是文化禁忌 (This is a cultural taboo).

Sentence Patterns

A1

Subject + 是 + 非法的

这个行为是非法的。

A2

非法 + Noun

非法所得被没收。

B1

因为 + 非法 + Verb

因为非法入境,他被抓了。

B2

认定 + Subject + 非法

法院认定该活动非法。

C1

通过 + 非法 + 手段

他通过非法手段获利。

Word Family

Nouns

非法行为 illegal act

Verbs

违法 to break the law

Adjectives

非法 illegal

Related

合法 antonym

How to Use It

frequency

8

Formality Scale

Legal Document Journalism Formal Speech Casual Chat

Common Mistakes

Using 非法 for social awkwardness 不礼貌
非法 is only for law, not social manners.
Using 非法 as a verb 违法
非法 is an adjective, 违法 can act as a verb.
Confusing 非法 with 不法 See context
不法 is often used in '不法分子' (criminals).
Using 非法 for 'wrong answer' 错误
非法 is for legal contexts only.
Saying '非法了' 这是非法的
Adjectives need a copula or particle.

Tips

💡

Memory Palace

Imagine a judge hitting a gavel on a book labeled '非法'.

💡

News Context

Look for it in headlines about crime.

🌍

Legal System

It reflects strict adherence to state law.

💡

Adjective Rule

Always pair with nouns or 是.

💡

Tone Practice

Focus on the transition from 1st to 3rd tone.

💡

Don't say '很非法'

It sounds a bit awkward; use it as a predicate.

💡

Legalist History

Rooted in ancient Chinese legal philosophy.

💡

Flashcards

Pair with '合法' for better retention.

💡

Formal Writing

Use it in essays about ethics.

💡

Slow Down

Don't rush the tones.

Memorize It

Mnemonic

非 (Not) + 法 (Law) = Not Law.

Visual Association

A red 'X' over a law book.

Word Web

法律 犯罪 警察 法庭

Challenge

Find 3 news headlines containing this word.

Word Origin

Chinese

Original meaning: Not according to law

Cultural Context

Highly sensitive in political contexts.

Equates to 'illegal' or 'unlawful'.

Used in almost every legal drama

Practice in Real Life

Real-World Contexts

Courtroom

  • 非法证据
  • 非法拘禁
  • 非法获利

News

  • 非法集会
  • 非法移民
  • 非法交易

Business

  • 非法经营
  • 非法竞争
  • 非法所得

Daily Life

  • 非法停车
  • 非法软件
  • 非法使用

Conversation Starters

"What do you think is the most serious illegal act?"

"How does the law define illegal behavior in your country?"

"Have you ever seen an illegal activity?"

"Why do people engage in illegal business?"

"How can we prevent illegal acts?"

Journal Prompts

Write about a time you learned about a new law.

Explain why laws are important for society.

Discuss the difference between being 'wrong' and being 'illegal'.

Reflect on how laws change over time.

Frequently Asked Questions

8 questions

非法 describes the status of an act, 犯罪 describes the act of committing a crime.

No, it is for legal issues only.

Yes, very.

No.

Yes.

合法.

fēi fǎ.

Only when discussing serious news.

Test Yourself

fill blank A1

偷东西是___的。

Correct! Not quite. Correct answer: 非法

Stealing is illegal.

multiple choice A2

Which word means 'against the law'?

Correct! Not quite. Correct answer: 非法

非法 means illegal.

true false B1

非法 can be used to describe a good friend.

Correct! Not quite. Correct answer: False

It describes laws, not people.

match pairs B1

Word

Meaning

All matched!

Antonyms match.

sentence order B2

Tap words below to build the sentence
Correct! Not quite. Correct answer:

这行为是非法的。

Score: /5

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