除非，犹只有。表示唯一的条件。常跟“才、否则、不然”等连用。语出唐吕岩《五言》诗之五：“要觅长生路，除非认本元。”那么你知道除非用英语怎么说吗?下面来学习一下吧。
除非的英语说法1：
Unless
除非的英语说法2：
only if
除非的英语说法3：
only when
除非的相关短语：
除非停电 Unless Power Cut
除非这个 Unless This
除非租约 unless lease
除非使用 unless used ;
除非的英语例句：
1. "Let's invite her to dinner." — "Over my dead body!"
“我们请她来吃晚饭吧。”——“除非我死了!”
2. The dug-outs were secure from everything but a direct hit.
除非是直接被击中，否则这个地下掩体是非常安全的。
3. The targets would not be achieved unless other departments showed equal commitment.
除非其他部门同样努力，否则这些目标无法达成。
4. Training is worthless unless there is proof that it works.
除非能证明训练有效，否则就是白搭。
5. The South African mailboat arrived on Friday mornings unless bad weather intervened.
除非受恶劣天气干扰，南非邮船一般在星期五上午抵达。
6. All bitches should be spayed unless being used for breeding.
除非是用作种犬，所有的母犬都应摘除卵巢。
7. I tend to forget things unless I mark them down.
除非把事情记下来，否则我常常会忘事。
8. Until the matter is resolved the athletes will be ineligible to compete.
除非这个问题得以解决，否则这些运动员没有资格参加比赛。
9. No-one could use the computer unless they had a password.
除非知道密码，否则谁也用不了那台计算机。
10. They can't destroy truth without destroying each and every one of us.
除非他们将我们赶尽杀绝，否则真理不灭。
11. Unless these questions are solved, the region will remain a powder keg.
除非这些问题得到解决，否则该地区会一直是个火药桶。
12. She refused to testify, unless the murder charge against her was dropped.
除非撤销对她的谋杀指控，否则她拒绝作证。
13. Why did you need a room unless you were up to something?
除非你要搞什么小动作，不然你为什么单要一间房?
14. Such schemes mean little unless they impact on people.
这些计划没什么意义，除非它们对人民产生影响。
15. He resolutely refused to speak English unless forced to.
除非迫不得已，否则他坚决不说英语。