不但

• 拼音: bù dàn
• 汉字拆解: 不 (bù) — not; 但 (dàn) — only, merely, but

含义

Not only. A conjunction always paired with 而且, 也, or 还 in the second clause.

Used to introduce the first clause of a correlative structure meaning 'not only... but also...' Standard grammar pattern in both spoken and written Chinese.

例句

1. 他不但会说中文，而且还会说日文。
2. 这道菜不但好看，而且非常好吃。
3. 她不但学习努力，也很乐于助人。

用法指南

语境: emphasis, descriptions, compliments, writing

语气: emphatic, additive

正确说法

• 他不但聪明，而且很勤奋。(He is not only smart but also very hardworking.)
• 这里不但安静，也很干净。(This place is not only quiet but also very clean.)

错误说法

• Avoid using 不但 without a paired conjunction in the second clause — the structure requires 而且, 也, or 还 to complete the 'not only... but also' pattern.

起源与历史

Classical Chinese construction using 不 (bù, not) + 但 (dàn, only/but). The pattern 不但…而且 is a standard correlative conjunction structure.

文化背景

世代: All ages

社会背景: Universal