我不知道什么是绝对的真理。

I am ignorant of absolute truth.

youdao

我不知道什么是爱情？

I don't know what is Love?

youdao

直到水落石出的那一天，不然我不知道什么是安宁。

Until I get to the bottom of it, I won't know what peace is.

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

You and I are to what else was going on, certainly 11 approvals sense like an extreme number. Yeah,yeah.

你和我都不知道还有什么其他事，但是很显然11个批准文件是很极端，是，是这样的。

普林斯顿公开课 - 国际座谈会课程节选

I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

哈佛公开课 - 计算机科学课程节选