unsure

adj.

1. 无把握；不确知；犹豫
   not certain of sth; having doubts
   1. There were a lot of things I was unsure about.
      有许多事情我没把握。
   2. He was unsure of what to do next.
      他对下一步该做什么犹豫不定。
   3. I was unsure how to reply to this question.
      我拿不准该如何回答这个问题。
   4. They were unsure as to what the next move should be.
      下一步该做什么他们心里没底。
2. 缺乏自信
   lacking confidence in yourself
   1. Like many women, deep down she was unsure of herself.
      和许多女性一样，她心底里缺乏自信。

1. ADJ-GRADED 心虚的；缺乏信心的
   If you are unsure of yourself, you lack confidence.
   1. He made her feel hot, and awkward, and unsure of herself...
      他令她内心躁动，手足无措，对自己没有信心。
   2. The evening show was terrible, with hesitant unsure performances from all.
      晚上的演出很糟，所有人都缩手缩脚，显得很不自信。
2. ADJ-GRADED 不确定的；不清楚的；拿不准的
   If you are unsure about something, you feel uncertain about it.
   1. Fifty-two per cent were unsure about the idea...
      五成二的人对这个想法存有疑虑。
   2. Scientists are becoming increasingly unsure of the validity of this technique.
      科学家们越来越拿不准这一技术是否是正当合法的。

1. I thought from the first that she was a little unsure about that marriage.
   从一开始我就觉得她对那桩婚事心里没底。
2. He had emerged from being a hesitant and unsure candidate into a fluent debater.
   他从一个吞吞吐吐、缺乏自信的候选人成长为口若悬河的辩论者。
3. Unsure of the meaning of this remark, Ryle chose to remain silent
   由于不确定这句话究竟是什么意思，赖尔选择了保持沉默。
4. He made her feel hot, and awkward, and unsure of herself
   他令她内心躁动，手足无措，对自己没有信心。
5. The evening show was terrible, with hesitant unsure performances from all.
   晚上的演出很糟，所有人都缩手缩脚，显得很不自信。
6. Fifty-two per cent were unsure about the idea
   五成二的人对这个想法存有疑虑。
7. Scientists are becoming increasingly unsure of the validity of this technique.
   科学家们越来越拿不准这一技术是否是正当合法的。
8. I shook my head helplessly, unsure of what to do or say.
   我无助地摇摇头，不知道说些什么好，也不知道该怎么办。
9. Michael: You should tell her you are unsure.
   迈克尔：你应该告诉她你不能确定。
10. That merely communicates that you're nervous and unsure of yourself.
    ，这仅仅说明了你很紧张并且对自己缺乏自信。
11. The answer, alas, is that I am unsure.
    唉，可惜我也不确定答案。
12. If you are unsure about the purity of the water you have collected then use a water purification method.
    如果你对收集到的水的纯度不放心，可以采用一些方法对水进行净化。
13. However, if you are unsure, then you are probably not participating actively.
    但是，如果你不确定，那么可能你没有积极地参与。
14. I was unsure about this, but I took the bank at their word.
    对此我并不确定，但我相信银行的话。
15. "Good evening," I replied, a little discomforted by her presence and unsure of her intentions.
    “晚上好，”我回答说。她的出现使我平添了几分不安，又猜不透她是什么用意。
16. If you are unsure how to do this, please contact your email provider.
    如果你不确定如何去做这些，请联系你的电邮提供者。
17. If you're unsure what you need, just download the whole directory.
    如果你不知道你需要些什么，那么可以下载整个目录。
18. That game against Turkey is always remembered, but Rooney is unsure if it was his best display.
    和土耳其的比赛是难忘的，但是鲁尼不确定那时不是他最好的表现。
19. Don't fight with the areas you are unsure about.
    不打你不清楚的地方。
20. If you're unsure of your legal rights, I would check with a lawyer.
    要是你不能确定自己的合法权利，我愿意去向一个律师请教。
21. If you are unsure, call your veterinarian who will have kept all this information on file.
    如果你不确定，给你的兽医打电话，他应该保留所有此类信息文件。
22. If you are unsure how to do this, seek counseling or coaching for yourself.
    如果你不确定怎么做，为自己寻求咨询或辅导。
23. At this point though, we are still unsure if a large trading range will develop.
    在这一点上虽然，我们仍然不确定，如果一个大型交易范围将继续发展下去。
24. If you can act when others are hesitant and unsure, you will be the winner.
    如果你能在别人犹豫不定时采取行动，你将会成为赢家。
25. But in your heart you are so unsure.
    但你心中会有那么一丝的不确定。
26. You will feel unsure of the outcome but your natural strength and resolve will bear it well.
    你会对结果不确信，但你的内在力量和决心会使你具备良好的承受能力。
27. I was unsure of that myself, but it all worked out.
    我自己也不确定，但是最后还是解决的。
28. You probably have made and broken that pledge before because you were unsure how to begin the process.
    或许你在这之前曾经作出过然后又违反了你的保证，因为你不能够肯定怎样开始这个方案。
29. Unsure how to begin, I thought I'd scan the personals column of my local newspaper.
    但我不确定要如何起步，我想我该浏览当地报纸个人专栏。
30. When we are unsure about what someone means, we sometimes request a clarification.
    当我们不确定某人的意思时，有时我们就会要求做出澄清。

adj

1. lacking or indicating lack of confidence or assurance
   1. uncertain of his convictions
   2. unsure of himself and his future
   3. moving with uncertain (or unsure) steps
   4. an uncertain smile
   5. touched the ornaments with uncertain fingers

   Synonym:    uncertainincertain

2. lacking self-confidence
   1. stood in the doorway diffident and abashed
   2. problems that call for bold not timid responses
   3. a very unsure young man

   Synonym:    diffidentshytimid