Chinese: I do not know. How long should it take?

中国人：我不知道，这应该需要多长时间？

youdao

I do not know how to hide it.

我不知道怎样把它遮起。

youdao

I felt the terrible news must be told, and I longed to get it over; but how to do it, I did not know.

我觉得一定得告诉他这个可怕的消息，我渴望快点熬过去，可是我又不知道该怎么说。

youdao

Let us say I want to sell my car but I do not know exactly how much it is worth.

VOA: special.2009.04.12

And then of course, once we figure out why not, we try and fix it. but today I'm going to emphasize not how do you fix it, but how do you find out what's wrong.

我们就会去尝试着修复程序，但是今天我强调的,并不是怎么去修复，而是怎么找出来错误原因。

麻省理工公开课 - 计算机科学及编程导论课程节选

And by that, I mean, not how much memory do I need to store the size of the input, it's really how much internal memory do I use up as I go through the computation?

需要占用多少内存,我意思并不是，存储输入需要多少内存,而是当我完成这个？

麻省理工公开课 - 计算机科学及编程导论课程节选

How it ended, I really do not know.

BBC: The missed chances to get Jimmy Savile

Within statistical error, under almost all testing conditions, I cannot find a difference between dunking and not dunking under controlled circumstances , so do it how you want.

FORBES: Does Bouncing Your Tea Bag Actually Do Anything Substantial?

That's certainly not how it works in my marriage with Michelle, although I usually do give in most of the time. (Laughter.) But the -- there's got to be some give and take, and that's what I'm hoping can be accomplished.

WHITEHOUSE: President Obama Holds News Conference