unnecessary

adj.不必要的，多余的；无用的，无益的；无须

adj.

1. 不需要的；不必要的；多余的
   not needed; more than is needed
   1. unnecessary expense
      不必要的花费
   2. They were found guilty of causing unnecessary suffering to animals.
      他们因虐待动物而被判有罪。
   3. All this fuss is totally unnecessary .
      这场纷扰是完全可以避免的。
2. 不必要（且容易开罪于人）的
   not needed in the situation and likely to be offensive
   1. That last comment was a little unnecessary, wasn't it?
      那最后一点评论有点多余，不是吗？

adj. 不必要的；多余的，无用的

1. They will be concerned to cut back expenditure on unnecessary items
   他们将会考虑削减不必要的开销。
2. A union would infuse unnecessary conflict into the company's employee relations.
   工会会把不必要的冲突带入公司员工关系当中。
3. The barbaric slaughter of whales is unnecessary and inhuman.
   对鲸的野蛮屠杀既不必要也不人道。
4. The British press, making a mountain out of a molehill, precipitated an unnecessary economic crisis.
   英国报界小题大做，酿成了一场不必要的经济危机。
5. The pity is that it was all completely unnecessary
   遗憾的是这完全没有必要。
6. Please, Mary, this is all so unnecessary
   玛丽，请不要这样，这完全没必要。
7. The slaughter of whales is unnecessary and inhuman
   屠杀鲸鱼是没有必要的也是不人道的。
8. He accused Diana of making an unnecessary fuss.
   他责备黛安娜没必要那么大惊小怪。
9. He found it unnecessary for us to stay behind.
   他感到我们不必要留下来。
10. The accountant checked this unnecessary spending in good time.
    会计及时卡住了这笔不必要的开支。
11. As we are old friends, it is totally unnecessary to stand on ceremony.
    都是老朋友，大可不必如此客气。
12. It's unnecessary to go into details.
    无须细说。
13. I felt that we were taking unnecessary risks.
    我觉得我们在冒不必要的风险。
14. The fact that few in China appeared to heed the call for an egyptian-style revolt may have been taken as proof that harsh tactics work, not that they are unnecessary.
    事实表明，在中国好像很少有人留意到对埃及式革命的呼吁可能会被当做苛刻政策发挥作用的证据，这并不是说这些政策是无用的。
15. They viewed his actions as unnecessary.
    他们认为他的行动没必要。
16. The city council has been trying to prune unnecessary costs from its list.
    市议会一直在努力从支出计划中削减不必要的开支。
17. I think your writing would be improved if you pruned away some of those unnecessary adjectives.
    我认为若能把文章中那些没有必要的形容词删去，你的作品还能更好些。
18. Cut off the unnecessary twigs and branches.
    把多余的枝叶剪去。
19. I thought that a fire was unnecessary.
    我认为不要火了。
20. This avoids unnecessary projects being loaded in the workspace.
    这将避免在工作空间中加载不必要的项目。
21. In addition, unnecessary processing time and resources are being consumed starting and stopping the transaction.
    此外，启动和停止事务将消耗不必要的处理时间和资源。
22. It is a destructive and unnecessary cycle.
    这是种破坏性和不必要的循环。
23. Not only will this be an unnecessary risk for you, it can be quite embarrassing as well!
    这将不仅仅使你承担一个不必要的风险，而且对你来说也是一个相当尴尬的时刻。
24. Now it is time to clean up and reduce the number of unnecessary detections.
    现在是时候清理和减少不必要的检测数量。
25. It is to ensure that we do not cause any unnecessary trouble and chaos.
    这是确保我们不会造成任何不必要的麻烦和混乱。
26. Often a simple question and answer saves us much headache and avoid many unnecessary tests.
    经常一个简单的问题和答案可以省去我们太多的头痛和避免许多不必要的检测。
27. Government should also institute feasible policies and measures, gradually reduce and abolish unnecessary trade and investment barriers;
    政府应该制定具体可行的政策和措施，逐步减少和消除不必要的贸易和投资壁垒；
28. To argue with him about it be unnecessary.
    和他辩论此事是不必要的。
29. In writing this report I have omitted all unnecessary details.
    在写这份报告时，我把一切不必要的细节都省去了。
30. They cut down unnecessary expenditure.
    他们削减了不必要的开支。