除非

• 拼音: chú fēi
• 汉字拆解: 除 = 阝 (mound) + 余 (surplus) — to remove, except; 非 = two wings facing opposite — not, wrong

含义

Unless; only if. A conjunction introducing the only condition under which something would happen or be true.

Used to introduce an exceptional condition. Often paired with 才 or 否则: 除非...才... (only if...then...), 除非...否则... (unless...otherwise...). The condition stated is typically difficult or unlikely to be met.

例句

1. 除非你亲自去请他，否则他不会来。
2. 除非下雨，我们每天都去公园跑步。
3. 我不会放弃，除非已经没有任何希望。

用法指南

语境: conditions, reasoning, everyday

语气: conditional

正确说法

• 除非他道歉，我才会原谅他。(Only if he apologizes will I forgive him.)
• 除非万不得已，我不会打扰你。(Unless absolutely necessary, I won't bother you.)

错误说法

• 说'除非我喜欢吃苹果'表示因为我喜欢 (Don't use 除非 for simple reasons — use 因为; 除非 introduces exceptional conditions)

起源与历史

除 (to remove, except) + 非 (not, wrong). Together meaning except if not, hence unless.

文化背景

世代: All ages

社会背景: Universal