"No," you say,"it just can't be true! Who told you?" Comes the answer, "I got it by the grapevine."

VOA: special.2009.02.22

It can't enter cells because it's too big and it's too water soluble so it can't go through cell membranes.

它的分子太大了所以无法进入细胞,而且还是水溶性的,所以它也无法穿过细胞膜

耶鲁公开课 - 生物医学工程探索课程节选

if you have no discipline, you're not going to listen. If you don't listen, you can't learn

如果你没有纪律，你就不会认真听教练的话。如果你不认真听，就学不会了。

布朗克斯的足球教练 - SpeakingMax英语口语达人

Missus Compson, the mother in the family, says of God's actions: "It can't be simply to.hurt me.

VOA: special.2010.01.10

Let's call someting invisible not only it can't be seen, not only it can't be observed, but it can't be detected at all.

让我们把一些不仅是看不见的,不仅是观察不到的，而且是完全检测不到的，东西称为无形的。

耶鲁公开课 - 死亡课程节选

"So our view,with all respect, is that this is a car that can't be recalled and fixed, and that we ought to start over."

VOA: special.2010.02.27

If the messenger RNA for protein is not present in a cell, then that can't be translated, obviously, and the protein can't be made.

如果细胞中没有,用来合成蛋白质的mRNA,那就不能进行翻译,很明显,蛋白质也不能被合成

耶鲁公开课 - 生物医学工程探索课程节选

But it can't do any good-- this continuous mourning over her grave.

VOA: special.2010.05.15

You can bring any calculator you want, we don't actually have restrictions for calculator types here, but what you can't do, is you can't program any relevant chemical or information about constants in there.

你可以带你想用的任何一种计算器，我们并不限制计算器的类型，但是有一点是不允许的，那就是你不能使用编程的功能来记录,相关的化学常数或其它信息。

麻省理工公开课 - 化学原理课程节选

"You can have that test, but it can't be an exclusive test because of the nature of the patent laws which are to protect new and unknown inventions."

VOA: special.2010.07.16

What is the use of any aspect of literature if, as good scientists, we can't analyze it or can't somehow or another account for it?

文学又有什么意义呢？,如果作为科学家的我们，既不能分析也不能解释它？

耶鲁公开课 - 文学理论导论课程节选

One was Sinclair Lewis. His book "It Can't Happen Here,"

VOA: special.2011.04.14

V So this nR over V. And then, using the relation again, T we can just write this as p over T.

恒定温度下的dp/dT等于nR除以，再次利用状态方程，可以把它写成p除以。

麻省理工公开课 - 热力学与动力学课程节选

"Anything further,father?" "Anything further,father? That can't be right.

VOA: special.2009.07.19

So even once the majority is in charge, the majority can't violate your inalienable rights, can't violate your fundamental right to life, liberty, and property.

所以即使多数人掌权，多数人也不能侵犯你不可剥夺的权利，不能侵犯你基本的生命，自由和财产权。

耶鲁公开课 - 公正课程节选

he begged. "Darling,it can't do any good!"

VOA: special.2010.05.15

I mean, it's a pity we can't kill people in experiments deliberately anymore, because we need to see how this works, but I can't do it.

我的意思是,很可惜我们不能在试验中故意杀人,只为了搞清其中的原理,我们不能那么做

耶鲁公开课 - 古希腊历史简介课程节选

Not only that,it doesn't mean that because it happens in the United States it can't happen elsewhere."

VOA: standard.2010.06.08

The idea is that people who don't have much money can't afford expensive lawyers and they can't figure it out and they really shouldn't be investing in hedge funds.

那些钱不足以支付昂贵律师费,无法解决资金问题的人,实在不该投资对冲基金

耶鲁公开课 - 金融市场课程节选

Okay, just don't... You just can't say stuff like that to me. Ever.

VOA: standard.other

Therefore, mathematically at a given time t, we can trade t for v and put it into this formula.

因此,从数学角度来说,在给定的时刻 t,我们可以用 v 来表示 t,并代入这个式子

耶鲁公开课 - 基础物理课程节选

"But I don't accept the fact that, just because it takes insurgencies , that we're not at a point where it can't be turned, because I think it can.

VOA: standard.2010.07.22

at night, you can't do, you can't even do it now. There's no crosstown bus there now.

是不可能了，甚至现在就不可能。因为那里已经没有跨区的巴士了。

纽约的公共交通 - SpeakingMax英语口语达人

"I don't understand. How can they have no record of her being there." "There has to be some explanation."

VOA: special.2009.06.12

Things can't become holy and can't come into contact with the holy or the sacred if they are not first pure.

事物不可能变得神圣或是与神圣有联系,如果它们连纯洁都算不上。

耶鲁公开课 - 旧约导论课程节选

We leave you with one of their winning songs, the Rolling Stones' "You Can't Always Get What You Want."

VOA: special.2010.01.08

We can't know exactly and this is one of the wonderfully unsettling things about this stanza we can't know exactly to whom Milton is addressing this stanza.

我们不能确切的知道,而这也是这一段很奇妙的不确定性所在,我们不能确切的知道弥尔顿这一段是在对谁讲话。

耶鲁公开课 - 弥尔顿课程节选

Now we're making foundations for the recovering patients, cause for some reason we can't find any explanations for the contaminations.

VOA: special.2009.04.17

Can't cure it, can't solve it, can't get rid of it?

你有无法解决,无法摆脱的记忆吗

耶鲁公开课 - 美国内战与重建课程节选

..I have kept hidden in the instep arch Of an old cedar at the waterside A broken drinking goblet like the Grail Under a spell so the wrong ones can't find it, So can't get saved as Saint Mark says they mustn't.

我还保存着一只坏了的高脚酒杯,埋在水边的一棵老树底下,像受了符咒的圣杯,使坏人找不到，如圣马可所说：他们因此不能得救。

耶鲁公开课 - 现代诗歌课程节选