必要

bì yào

HSK 2.0 等级 5 HSK 3.0 等级 5 形容词 非常常见

释义

1. necessary
2. essential
3. indispensable
4. required

词语关系

Antonyms

1 item

• 不必要 bù bì yào 不必要 bù bì yào needless; unnecessary 不必要 means unnecessary.: needless; unnecessary

Related words

1 item

• 需要 xū yào 需要 xū yào to need; to want; to demand; to require 需要 (v.) means to need; 必要的 (adj.) describes something that is necessary.: to need; to want; to demand; to require

Synonyms

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• 必需 bì xū 必需 bì xū to need 必需 (adj.) also means essential, but 必要 is more common in the sense of 'necessary'.: to need

Usage notes

Collocations

必要 often appears in the structure 有必要 (yǒu bìyào) meaning 'it is necessary to' or 'there is a need to'.

Common mistakes

Don't confuse 必要 (adjective) with 必须 (adverb); you cannot say *很必须 (hěn bìxū), but you can say 很必要 (hěn bìyào).

例句

显示 2 条

不，沒有這個 必要 。

来源： Tatoeba.org (ID 339508)

沒有 必要 這麼生氣。

来源： Tatoeba.org (ID 798072)

例句数据由 Tatoeba.org提供。

包含 必要 的词语

• 不必要 不必要 bù bì yào: needless; unnecessary
• 必要性 必要性 bì yào xìng: necessity
• 必要条件 必要条件 bì yào tiáo jiàn: requirement
• 非必要 非必要 fēi bì yào: inessential

必要 的构成词

• 必 必 bì: certainly
• 要 要 yāo: (bound form) to demand; to coerce
• 要 要 yào: to want; to need; to ask for