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

You might not know have any symptoms, you might just have a latent source of the microorganism somewhere in your body.

你可能没有任何症状,微生物可能只是在体内某处,暗中不断滋生

耶鲁公开课 - 生物医学工程探索课程节选

I was trying to find it but I did not know where I should look.

我试图自己找到这个银行，但不知从何找起。

Is there 课堂 - SpeakingMax英语口语达人

"Vice President Lyndon Johnson has left the hospital in Dallas, but we do not know to where he has proceeded.

VOA: special.2009.08.16

In other words, I don't not know first that that's a sign that says "exit."

换句话说，我不事先知道,那是一个存在的标志“

耶鲁公开课 - 文学理论导论课程节选

Rudolf found it hard to believe that there was someone in the world who did not know what violin was.

VOA: special.2010.05.08

So, that is just a quick example for some of you, you might be very familiar with ion channels, others might not know what these are, so I'll just tell you quite briefly that ion channels are these very massive transmembrane proteins.

这对你们中的某些人来说仅仅是个小例子，有些人可能已经非常熟悉离子通道这个概念了，但有些人可能还不清楚，那么就让我来简单地介绍一下离子通道,就是这些巨大的跨膜蛋白。

麻省理工公开课 - 化学原理课程节选

why,when we do not sleep, we do not function well. We just do not know much about sleep at all."

VOA: special.2009.08.26

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

Many people who come to Las Vegas in hopes of winning lots of money do not know when to stop gambling.

VOA: special.2010.03.14

We may not know that the soul will continue to exist after the destruction of the body but at least it seems like a possibility.

我们或许不知道,在肉体毁灭后,灵魂继续存在,至少看起来有这样的可能。

耶鲁公开课 - 死亡课程节选

I do not know what else to do but make the best of a bad deal and shake hands over it."

VOA: special.2009.06.27

But Ale does not know that Kaj knows that he is wearing a blue, a pink hat, and Kaj does not know that Ale knows that Kaj is wearing a pink hat.

但艾尔不知道卡佳知道他戴着粉色帽子,卡佳也不知道艾尔知道,卡佳戴着粉色帽子

耶鲁公开课 - 博弈论课程节选

Everybody answered the questions well, intelligently, while he - why, dear me - he did not know anything, so to speak.

VOA: special.2009.01.03

Now the people in this poll were asked the same question and here's what they said, so 75% said that one reason is that it's more convenient, it's what people like to eat, it's heavily advertised, it's more affordable, people may not know which foods are healthy.

在这个调查中人们也被问到了这个问题,我们来看看他们的答案,75%的人说选择垃圾食品是因为更方便,合乎口味,广告的大力宣传,更便宜,人们可能并不知道哪些食物才是健康的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Everybody answered the questions well, intelligently,while he C why,dear me C he did not know anything, so to speak.

VOA: special.2010.03.27

Well, I actually did not know what I wanted to do coming into Berkeley.

嗯，实际上，来伯克利的时候，我并不知道自己想做什么。

伯克利的课程计划 - SpeakingMax英语口语达人

He told the president, "You do not know the dishonest purposes of those men as well as I do."

VOA: special.2009.08.13

And sometimes, you know, not knowing a word, it helps you learn it better

有时候，不知道一个单词，却能够帮助你更好地学习它，

紧张是学英语的敌人 - SpeakingMax英语口语达人

But Chad Reissig says scientists do not know a lot about them and how they interact with each other and caffeine.

VOA: special.2009.07.22

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

The jester said, "If these wise men do not know how to hide the moon, then the moon cannot be hidden."

VOA: special.2009.03.28

Well, probably you want to know some of it but you might not want to know all of it right?

可能你只希望知道其中一些,而不想全部都知道

耶鲁公开课 - 生物医学工程探索课程节选

I did not know she was married!" Language expert Webb Garrison tells an interesting story about the expression.

VOA: special.2010.02.14

Now, your temptation is to keep the first answer because you know energy is not going to be negative.

你肯定想保留正根,因为你知道能量不会是负值

耶鲁公开课 - 基础物理课程节选

Percival Lowell did not know that his eyes played a part in the markings he saw on Mars.

VOA: special.2010.07.11

The Greeks, as far as I know, did not allow anybody to be left handed in a phalanx; think about the problem.

希腊人,据我所知,在方阵里中不允许有左撇子,思考下这个问题

耶鲁公开课 - 古希腊历史简介课程节选

They died because they did not know that burning wood products creates a deadly gas - carbon monoxide.

VOA: special.2010.02.02

When I go to a lecture, I want to try to share with people all that I am, not just what I know.

当我讲课时，我想和人们分享我的所有，不仅仅是我的所知。

普林斯顿公开课 - 人性课程节选

I can click on the cherries and see what they're doing, you know, not all that much.

点击那些樱桃,看它们在做什么，你能有个大概的了解。

哈佛公开课 - 计算机科学课程节选