无可奉告。我什么也不知道。

No comment. I don't know anything.

《柯林斯英汉双解大词典》

我什么也不知道。

I know nothing.

youdao

但如果有人问起，我什么也不知道。

But if anyone asks where you got it, I know nothing.

youdao

I certainly didn't understand how they even connected really to chemical reactions, much less other disciplines that I was interested in.

它们这么重要,我并不理解这些分子是什么，我也不知道它们。

麻省理工公开课 - 化学原理课程节选

Now, you think you can make a mistake on your exam, take a look at this up here at tell me what that all is. I have no idea.

你觉得你可以在考试的时候犯错误，看一看这之前写的东西,能告诉我这些是什么，我也不知道。

麻省理工公开课 - 固态化学导论课程节选

I don't know what your major is; I don't know what you are going to do later so I picked the topics that all of us in physics find fascinating.

我不知道你们的专业是什么,我也不知道你们今后从事什么工作,因此,我会选择一些,物理学界公认的有趣的内容

耶鲁公开课 - 基础物理课程节选