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不必

bù bì
HSK 2.0 Level 5 HSK 3.0 Level 4 Adverb Common

Definitions

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

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Word relationships

Antonyms

1 item
必须
bì xū

to have to

Denoting obligation or necessity, opposite of not needing to.

Related words

1 item
何必
hé bì

there is no need

Rhetorically asking why something is necessary, implying it is not.

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
bù bì yào

needless; unnecessary

大可不必
dà kě bù bì

need not

自不必说
zì bù bì shuō

(idiom) needless to say

Child Words of 不必

不
bù

no; not so

必
bì

certainly