The scientists say they do not know how the treatment would work with patients who have no sensation at all below the injury.

VOA: special.2011.06.01

What I just spent many lectures discussing is the fact that we can not know how far away an electron is from the nucleus, so we can't actually know the radius of a certain atom.

我花了这么多课时所讨论的正是我们,不可能知道电子离原子核有多远这一事实，因此我们不可能知道某个原子的半径。

麻省理工公开课 - 化学原理课程节选

and they do not know how to fix the tire.

而车上的人对此束手无策。

I can 课堂 - SpeakingMax英语口语达人

When people began sailing out of sight of land, sailors did not know how to tell where they were on the open sea.

VOA: special.2010.07.14

We need to know not only what are the primitives, but how do we make things meaningful in that language.

我们不仅需要知道什么是基本类型，还要知道我们在那种语言中,怎样使其变得有意义。

麻省理工公开课 - 计算机科学及编程导论课程节选

There something happens. He does not know how, but he has been transported to the Red Planet,Mars.

VOA: special.2010.07.17

All right. So let's look at some of these wave functions and make sure that we know how to name all of them in terms of orbitals and not just in terms of their numbers.

好，让我们来看一下,这些波函数,并确定我们都知道,怎么用轨道,而不仅是量子数来命名它们,一旦我们可以命名它们。

麻省理工公开课 - 化学原理课程节选

I filled this room with expensive scientific equipment that I did not know how to use.

VOA: special.2011.06.18

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

It was a place where people owned things that they did not know how to use.

VOA: special.2010.01.03

I mentioned previously that we do not know a lot about how the mechanical stimulation is being converted into chemical and electrical energy.

先前我曾说过,对于机械刺激到化学和电能的转换,我们还知之甚少。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Now,we admit that we do not know how this expression developed.

VOA: special.2009.06.28

I don't know how many of you have not read any Plato before, but for those of you who haven't, I actually think you're in for a treat.

我不知道你们当中有多少人,之前未曾读过柏拉图的作品,但是,还未拜读过柏拉图的同学们,我敢肯定你们会喜欢上他的

耶鲁公开课 - 死亡课程节选

Millicent complained that he did not know how to enjoy life.

VOA: special.2009.01.31

It's a question rather of how we know the author to be there, firstly, and secondly, whether or not in attempting we should appeal to the authority of an author.

首先我们如何知道作者在那儿，其次，决定文本意义的时候,如果作者只是一种功能。

耶鲁公开课 - 文学理论导论课程节选

Some did not know how to fight.

VOA: special.2009.11.26

I know not very particularly how you feel on this point."

我不清楚你对此什么感受"

耶鲁公开课 - 美国内战与重建课程节选

We are worried because we do not know how long they will stay or how we will take care of them.

VOA: standard.2009.10.27

And Descartes said, "How do I know I'm not crazy?

笛卡尔问道,"我如何才能确定我不是个疯子

耶鲁公开课 - 心理学导论课程节选

He condemned the government crackdown against unarmed protesters and said he did not know how the power struggle would pan out.

VOA: standard.2010.01.04

I think what makes a difference is not only do you, yourselves, know better how to play this game now, but you also know that everybody around you knows better how to play the game.

我觉得因为不仅你们自己,玩这个数字游戏玩得更好了,你们也了解到周围的人,也玩得更高了

耶鲁公开课 - 博弈论课程节选

"You do not know how bad that is going to be. There have been children who have died from the swine flu,".

VOA: standard.2009.12.18

I can change everything overnight; it does happen. I put that in for a reason because sometimes some of you have not taken a physics course and you don't know how to do well in physics and slowly you catch on and by the time it's Final exam you crack the code; you know how to do well.

我能一夜之间扭转乾坤,确实有过这样的例子,我这样做是因为,有时你们中有人可能以前没上过物理课,不知道怎样学好物理,但慢慢地你赶了上来,到期末考试的时候,你忽然灵光一闪,考起试来得心应手

耶鲁公开课 - 基础物理课程节选

We did not know how quickly it was going to move. flu, you cannot catch up.

VOA: standard.2009.05.03

Yeah, it was a good film. I mean, I don't know how much of it was accurate or not.

它是一部好电影。我的意思是，我不知道有多少内容是准确的。

英国电影的魅力 - SpeakingMax英语口语达人

Health officials did not know how deadly the virus would be, who would be most vulnerable, how quickly it would spread and whether it could be contained.

VOA: standard.2010.04.29

I don't know how he could not think there was a bubble, but he didn't see it.

我不知道他为何认为不存在泡沫,但是他没有看出来

耶鲁公开课 - 金融市场课程节选

"I have been blown up three or four times,three times, and I have been shot at I do not know how many times and then I had diphtheria, measles and pneumonia,"

VOA: standard.2009.11.04

He must know how to use religious passions and sentiments but not be used by them.

他必须懂得如何利用宗教热情以及,宗教情绪而不是被它们所控制。

耶鲁公开课 - 政治哲学导论课程节选

to the process whereby the heavenly angels not only eat food but they also digest it; and Milton lets us know, whether we want to know or not, how those angels actually excrete the food they have taken in.

去描述天堂的天使不只吃食物而且要消化它的过程,弥尔顿让我们知道，不管我们想不想，这些天使怎样排泄出他们吃的食物。

耶鲁公开课 - 弥尔顿课程节选