“怎么。”她回答说，“我不知道这有什么害处；你应该告诉我的。”

"Why," answered she, "I did not know there was any harm in it; you should have told me."

youdao

“我不知道怎样弄来更多这种药，”他说，“但你可以吃我剩下的药，我不需要了。”

"I cannot find out how to make more of this medicine," he said, "but you can have what's left I don't need it anymore.

youdao

小伙子说,“我不知道你做了什么，但是我踏在一只鸭子上了"。

The guy says, "I don't know about you, but I stepped on a duck."... .

youdao

But if you say, well, I don't know how to do this, I am not going to bother, don't grade the paper.

但是如果你说，好吧，我不知道怎么做这个，我想麻烦，别给试卷评分。

麻省理工公开课 - 固态化学导论课程节选

Other people might say, well you know, I'm really an adventurer--I don't care too much about risk-- I want the much higher return.

其他的人可能会说，你知道的，我就是一个投机商我不怎么在乎风险-,我只想要更高的收益。

耶鲁公开课 - 金融市场课程节选

So, for those of you who have never heard French before, when you hear somebody say, "Je ne sais pas" you could say, "Remarkable!

因此,对于那些从未听过法语的人来说,当你听到有人说,"我不知道",你可能会说,"太神奇了

耶鲁公开课 - 心理学导论课程节选