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1·She was never quite sure, you know.

你知道的，她从来都不是很确定。

2·If we humans aren't quite sure about a decision, we go and ask somebody else.

如果我们人类对一个决定不是很确定，就会去问其他人。

3·Are you quite sure ?

你有十足把握吗？《牛津词典》

4·I am not quite sure. Can you give me some advice?

我不是很确定。你能给我一些建议吗？

5·The contact lens has not been put to the market, but researchers are quite sure that it will be welcomed.

这种隐形眼镜还没有投放市场，但研究人员确信它会受到欢迎。

6·The doctor also said that her age might cause some problems, but he was quite sure about the success of operation.

医生也说了，她的年龄可能会导致一些问题，但他对手术的成功很有把握。

7·Traditional dance teachers did not welcome it because they thought it was not even a real dance and were quite sure about its demise but Swing has proved them wrong; it continues to be one of the world's most fun dances.

传统舞蹈老师不欢迎它，因为他们认为它甚至不是一个真正的舞蹈，并非常确定它会消亡，但摇摆舞证明他们错了；它仍然是世界上最有趣的舞蹈之一。

8·The next minute she felt quite sure she knew.

过了一会儿，她就确信自己知道是什么了。

9·No one is quite sure how the friendship first began.

没有人确切知道这段友谊是如何开始的。

10·He wasn't quite sure what to say to this angry customer.

他不知道该对这位生气的顾客说什么。