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1·I was very unsure of myself after the divorce, she says, unconsciously sweeping back the curls from her forehead.

“离婚后我对自己很没有信心，”她边说边无意识地把前额上的几绺鬈发往后捋。《柯林斯英汉双解大词典》

2·He was unsure what kind of fellow Jimmy was.

他不确定吉米是什么样的人。

3·There are a lot of things I'm unsure of, so it's going to be good working with you.

有很多事情我都不确定，所以和你一起工作会很好。

4·If you are unsure of how to use any apparatus or how to operate, ask your teacher for help.

如果你不确定如何使用仪器或操作，请向老师寻求帮助。

5·He was unsure of what to do next.

他对下一步该做什么犹豫不定。《牛津词典》

6·I was unsure how to reply to this question.

我拿不准该如何回答这个问题。《牛津词典》

7·Fifty-two percent were unsure about the idea.

52%的人对这个想法都没有把握。《柯林斯英汉双解大词典》

8·There were a lot of things I was unsure about.

有许多事情我没把握。《牛津词典》

9·They were unsure as to what the next move should be.

下一步该做什么他们心里没底。《牛津词典》

10·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。《牛津词典》

不确定的

1·Buzz is still very unsure - and this is ironic for those who don't understand the relationship within that Apollo 11 crew - but I don't think Buzz, to this day, really understands Armstrong very well.

巴兹也还是很不确定——这对那些并不了解阿波罗11号船员之间关系的人来说是个讽刺——但是我认为巴兹直到今天还是不能真正地很好了解阿姆斯特朗。

2·And when I sat down to write my next piece I found myself hesitant, unsure of my writing, concerned about how it would be perceived.

当我坐下来写下一篇文章的时候我发现自己迟疑了，不确定我自己的文章，关心这篇文章将会被怎样理解。

3·Back in the exam room, with that 8-year-old, I took some early and unsure steps toward discussing the topic.

回到体检室，和那个8岁的小朋友，我采取一些早期不确定的步骤去讨论这个话题。

4·Lizette napped for a while and woke completely rested, though a little unsure what had and had not been a dream.

莉莎特小睡了一会儿，完全休息好了之后才醒过来，然而有点不确定发生的一切是不是梦境。

5·Since you sound a bit unsure, I'd suggest taking bout math and English classes your first semester to see which you enjoy more.

既然你听起来有点不确定，我建议你第一学期数学和英语两门课都上，看看哪个你更喜欢。

缺乏信心

1·The evening show was terrible, with hesitant unsure performances from all.

晚上的演出很糟糕, 所有人的表演都犹豫不决，缺乏信心。《柯林斯英汉双解大词典》

2·At first I was unsure, it goes on a bit greasy feeling and left my face shinny.

起初我是缺乏信心的，它在位油腻感觉去并且留下我的面孔攀爬。

3·A trustee has the right to approach the court for advice in circumstances where the trustee is unsure of what action to take.

受托人在对如何行动缺乏信心的情况下有权征求法院的建议。

4·Meanwhile the fraction of Americans unsure about evolution has soared, from 7 per cent in 1985 to 21 per cent last year.

同时美国人的分数缺乏信心对演变去年腾飞了，从百分之7在1985年到百分之21。