除非，意思是指表示唯一的条件，不计算在内，是属于使用频率较高的汉语词汇，在一般场合比较常见。下面是学习啦小编为你整理的除非的英文，希望大家喜欢!
除非的英文
unless
only if;
only when
unles常见用法
conj.除非，如果不;
prep.除了，…除外;
1. 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。
2. 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。
3. 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。
4. 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。
5. 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。
6. 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。
7. The conservatory will get very hot in summer unless shading is used.
夏天如果不用遮光罩的话，暖房会变得特别热。
8. 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。
9. 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。
10. 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?
11.I won't go to the party unless I'm invited.
除非我被邀请，否则我不会去参加晚会的。
12.I sleep with the window open unless its really cold.
我总是开著窗户睡觉，除非天气非常冷才关上窗户。
13.Iron corrodes unless it is greased or kept clean.
如果不涂油或保持清洁铁便会腐蚀。
14.Unless you work harder, you will not pass the examination.
如果不加紧用功，你就不能通过考试。
only if和only when的造句
1. She attended one meeting only, if I remember rightly.
如果我没有记错的话，她只参加了一次会议。
2. Syria will attend only if the negotiations deal with issues of substance.
只有在谈判涉及重大问题时叙利亚才会参加。
3. Political attacks work only if they find an echo with voters.
政治攻击只有在选民中引起共鸣才会有作用。
4. You can make progress only if you are modest.
惟虚心乃能进步.
5. I'll do that, but only if we set a few rules.
我可以干, 但我们得定几条规矩.
6. The placebo effect can be understood only if we acknowledge the unity of mind and body.
只有我们承认身心一体，安慰剂效果才能被理解。
7. The two sides will clash there only if Chelsea beat Sunderland in their quarter-final replay.
只有切尔西队在四分之一决赛的重赛中击败桑德兰队，双方才会交锋。
8. The meat market can continue only if it is radically overhauled to conform with strict European standards.
肉类市场只有经过彻底的大检查，严格遵守欧洲标准，才能继续营业。
9. I told him I would work for him only if I could have a finger in the pie.
我告诉他我愿为他工作,只要让我参与此事.
10. Koko signed " Yes ", but only if there were curtains.
科科 打手势说, 如果到那儿能有个遮挡的帘子就行.
11. He was rescued only when an exhausted friend swam ashore.
当一个精疲力尽的友人游上岸后他才获救。
12. The company's troubles started only when it diversified into new products.
当公司增加新产品时，麻烦才开始的。
13. Only when the means of production were communally owned would classes disappear.
只有当生产工具公有时,阶级才会消失.
14. It is spring only when all the flowers are blooming.
万紫千红才是春.
15. She expands only when being praised and flattered.
她只有受到表扬和奉承的时候才喜笑颜开.
16. There is no rudder as such, so the craft can be steered only when under power.
没有真正的方向舵，所以只有在动力驱动的情况下才能操控船只。
17. "Are you jealous?" — "Only when I'm not in control," he says, not missing a beat.
“你眼红吗?”——“除非我把持不住自己，”他毫不犹豫地说道。
18. It was only when he finally drifted off to sleep that the headaches eased.
只有当他最后迷迷糊糊睡着时，他的头痛才有所减轻。
19. He could rest only when he was too drained of energy to fret further.
只有当他精疲力竭无力再操心时他才能得以休息。 看过“除非的英文有哪些”的人还看了：
1.
2.
3.
4.
5.