doubt

n.怀疑，疑虑；未确定

vt.怀疑，疑惑

vi.不确定，不能肯定或怀疑

noun

1. 疑惑；疑问；不确定；不相信
   a feeling of being uncertain about sth or not believing sth
   1. a feeling of doubt and uncertainty
      迟疑不定的感受
   2. There is some doubt about the best way to do it.
      这件事怎么做才是最佳办法有点吃不准。
   3. There is no doubt at all that we did the right thing.
      毫无疑问我们做得对。
   4. New evidence has cast doubt on the guilt of the man jailed for the crime.
      新的证据使人们对这个犯罪入狱的男子是否有罪产生了怀疑。
   5. The article raised doubts about how effective the new drug really was.
      这篇文章对这种新药的实效有多大提出了疑问。
   6. If you are in any doubt as to whether you should be doing these exercises, consult your doctor.
      如果你拿不准是否应进行这种锻炼，咨询一下医生好了。
   7. She knew without a shadow of a doubt that he was lying to her.
      她十分清楚他在对她撒谎。
   8. Whether he will continue to be successful in future is open to doubt .
      他今后能否继续获得成功值得怀疑。

verb

1. 无把握；不能肯定；认为…未必可能
   to feel uncertain about sth; to feel that sth is not true, will probably not happen, etc.
   1. There seems no reason to doubt her story.
      似乎没有理由怀疑她所说的话。
   2. ‘Do you think England will win?’─‘ I doubt it .’
      “你认为英格兰队会取胜吗？”“不一定。”
   3. I never doubted (that) she would come.
      我从未怀疑过她会来。
   4. I doubt whether/if the new one will be any better.
      我不敢肯定这个新的是否会好些。
2. 怀疑；不相信；不信任
   to not trust sb/sth; to not believe sb
   1. I had no reason to doubt him.
      我没有理由不相信他。

名词复数形式:doubts 过去式:doubted 过去分词:doubted 现在分词:doubting 第三人称单数:doubts

doubt 怀疑

来自拉丁语dubius, 二，词源同dubious. 引申词义两面摇摆，怀疑。

1. No doubt I had blundered again
   无疑，我又犯了一个愚蠢的错误。
2. This raises doubts about the point of advertising
   这对做广告的意义提出了疑问。
3. I had my doubts when she started, but she's getting really good
   她刚开始做时我心存疑虑，但她真的做得很好。
4. They were troubled and full of doubt
   他们很苦恼且充满疑虑。
5. There can be little doubt that he will offend again
   毋庸置疑他还会再犯的。
6. Local inhabitants haven't the slightest doubt as to who is the rightful owner.
   当地居民对谁是合法所有者没有丝毫疑问。
7. Others doubted whether that would happen
   其他人认为那未必会发生。
8. He doubted if he would learn anything new from Marie
   他认为他不太可能从玛丽那儿学到任何新东西。
9. She doubted that the accident could have been avoided.
   她不认为那场意外本可以避免。
10. No one doubted his ability
    没有人怀疑他的能力。
11. Nobody that I spoke to doubted his sincerity as a politician.
    和我谈过话的人中没有一个怀疑他作为一个政治家的诚意。
12. No one directly involved with the case doubted him
    与此案直接相关的人中没有人怀疑他。
13. I still have no reason to doubt his word.
    我还是没有理由怀疑他的话。
14. A referendum showed beyond doubt that voters wanted independence
    全民公决无疑显示选民支持独立。
15. His ability is beyond any doubt.
    他的能力毋庸置疑。
16. He is in no doubt as to what is needed
    他很确定需要什么。
17. When in doubt, call the doctor.
    如有疑问，请联系医生。
18. 'Somebody would have seen her.' — 'I doubt it, not on Monday.'
    “可能有人见过她。”——“我认为不可能，不可能在星期一。”
19. The outcome was still in doubt
    结果仍不确定。
20. That claim is increasingly open to doubt.
    那一说法越来越可疑。
21. The contract for this will no doubt be widely advertised
    关于这个的合约无疑会受到广泛宣传。
22. She's a very sweet woman, as you no doubt know by now.
    她是一个非常温柔的女人，你现在肯定知道了。
23. No doubt I'm biased, but it was the most cruel, evil human face I ever set eyes on
    我固然是有偏见的，但那是我所见到的最残忍、最邪恶的人。
24. No doubt many will regard these as harsh words, but regrettably they are true.
    固然会有很多人认为这些话过于刻薄，但是遗憾的是这些都是真话。
25. Without doubt this was the most important relationship I developed at college
    这无疑是我在大学时期建立的最重要的关系了。
26. The refugees, without a doubt, are the most vulnerable.
    难民无疑是最易受到伤害的。
27. I have no doubt that we are polluting the environment beyond redemption.
    我丝毫都不怀疑我们对环境的污染是不可挽回的。
28. There is no doubt that grades have improved and interest in education has revived.
    无疑，成绩提高了，上学的兴趣也恢复了。
29. It is a terrible thing to doubt someone you have trusted all your life.
    怀疑你信任了一辈子的人是很叫人痛心的事。
30. I'm rather in doubt about his explanation of this question.
    他对这个问题的解释我总是半信半疑。