乃

nǎi

HSK 7–9

Meaning

文言文中的系词，相当于“是”“就是”；副词，相当于“于是”“才”；代词，相当于“你”“你的”。

A copula in classical Chinese, equivalent to 'is' or 'are'; an adverb meaning 'then' or 'only then'; a pronoun meaning 'you' or 'your'.

“乃”为文言虚词，现代汉语中多用于成语或固定搭配，表示判断、承接、限定等关系。

'乃' is a function word in classical Chinese, now commonly used in idioms or set phrases to indicate judgment, succession, or restriction.

1 失败乃成功之母。（Failure is the mother of success.）
2 事无大小，悉以咨之，然后施行，必能裨补阙漏，有所广益。（原文中“乃”意为“于是”：Matters large and small are all consulted before implementation, thus surely filling gaps and benefiting broadly.）
3 乃不知有汉，无论魏晋。（竟然不知道有汉朝，更不用说魏晋了：Actually unaware of the Han dynasty, let alone Wei and Jin.）
4 此乃天意。（This is heaven's will.）
5 吾乃常山赵子龙也。（I am Zhao Zilong of Changshan.）

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