必须

bì xū

HSK 2.0 Level 3 HSK 3.0 Level 3 Adverb Very common

Definitions

1. to have to
2. must
3. compulsory
4. necessarily

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Word relationships

Antonyms

1 item

无须

wú xū

need not

表示没有必要

Related words

2 items

必要

bì yào

necessary

不可缺少的，名词或形容词

不得不

bù dé bù

have no choice or option but to

客观上被迫必须做

Usage notes

Formality

“必须”在正式和非正式场合均可使用，但比“得(děi)”更正式。口语中常用“得”表示必须，如“我得走了”。

Grammar

Guides that feature 必须

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2 guides

HSK 2.0 Level 3+ HSK 3.0 Level 3+ 6 min

不用 and 不必 for “No Need To”

Use 不用 and 不必 to say something is not necessary.

Reading: bì xū Open guide

HSK 2.0 Level 3+ HSK 3.0 Level 3+ 7 min

Adverbs 大概, 好像, 一定, 必须, 差不多, 几乎

Show how sure you are with 好像, 大概 and 一定, say what must happen with 必须, and say “almost” with 差不多 and 几乎.

Reading: bì xū Open guide

Example Sentences

5 shown

你必须立即上报这件事。

You must report this matter to your superiors immediately.

我们必须加强安全管理，不给坏人可乘之机。

We must strengthen safety management so as not to give the bad guys an opportunity to exploit.

我们必须与时俱进，不断学习新知识。

We must keep up with the times and continuously learn new knowledge.

我们必须坚决纠正不正之风。

We must resolutely correct unhealthy tendencies.

你必须早点起床，否则会迟到。

You must get up early, otherwise you'll be late.

AI-generated examples are marked with this icon.

Child Words of 必须

certainly

must

必须