“除非”在英语中常见的表达有 unless、except (that) 或 provided (that) 等,具体使用取决于语境和表达习惯:
1、 unless
* 含义:表示“除非……否则不……”,用于引出条件,强调在特定条件下才会发生或不发生某事。
* 例句:
* You won't pass the exam unless you study harder.(除非你更努力学习,否则你考试不会及格。)
* I won't go to the party unless I'm invited.(除非我被邀请,否则我不会去参加聚会。)
2、 except (that)
* 含义:表示“除了……之外”,用于指出在一般情况下不适用或例外的情况。
* 例句:
* I can do nothing except that I wait.(我除了等待之外,什么也做不了。)
* Everyone went to the party except that John was ill.(除了约翰生病之外,大家都去参加聚会了。)
3、 provided (that)
* 含义:表示“如果……的话”或“在……的条件下”,用于引出一种假设或条件。
* 例句:
* I will go with you provided that you pay for the tickets.(如果你付票钱的话,我就和你一起去。)
* You can borrow my car provided that you return it by six o'clock.(如果你六点钟前把车还回来,你可以借我的车。)