不必

bù bì

HSK 2.0 Level 5 HSK 3.0 Level 4 Adverb Common

Save to list

Select an entry

This word has multiple dictionary entries. Choose the reading or usage you want to review.

不必

bù bì Adverb need not; does not have to

不必

bú bì Adverb need not; not necessary

Definitions

1. need not
2. does not have to
3. not necessarily

Stop forgetting what you study.
Build recall daily.

Try HanyuGuide's Chinese review system with multiple choice, typed recall, tone-aware practice, and reviews scheduled before memory fades.

Start Free Trial · $49.99 / year

Sign up with Google

Did Google show an error? Sorry about that. Use your email below instead.

Continue with Email

Lifetime for $119.99 Try a practice session

Word relationships

Antonyms

1 item

• 必须 bì xū 必须 bì xū to have to Denoting obligation or necessity, opposite of not needing to.: to have to

Related words

1 item

• 何必 hé bì 何必 hé bì there is no need Rhetorically asking why something is necessary, implying it is not.: there is no need

Usage notes

Common mistakes

不必 is more formal and often used in written language or polite speech, while 不用 is more common in casual spoken Chinese.

Example Sentences

4 shown

你 不必 担心。

You don't need to worry.

你 不必 緊張。

Source: Tatoeba.org (ID 10303625)

我們 不必 參加那場會議。

Source: Tatoeba.org (ID 905985)

你 不必 吃。

Source: Tatoeba.org (ID 836370)

Sentence data courtesy of Tatoeba.org. AI-generated examples are marked with this icon.

Words Containing 不必

• 不必要 不必要 bù bì yào: needless; unnecessary
• 大可不必 大可不必 dà kě bù bì: need not
• 自不必说 自不必说 zì bù bì shuō: (idiom) needless to say

Child Words of 不必

• 不 不 bù: no; not so
• 必 必 bì: certainly