So I mean philosophy can talk about how do we know we got a table here between us. Right?

比如，哲学可以告诉我们是怎么感知到,我们之间有一个桌子，对不对？

普林斯顿公开课 - 人性课程节选

I can't tell you everything that we will do, but I know you will like it.

我不能全部透露给你，但你肯定会喜欢的。

When 实战 - SpeakingMax英语口语达人

And I know it sounds kind of crazy but we have a lot of fun as you can tell.

我知道听上去很疯狂,但我们相处得很快乐，你们看得出。

哈佛公开课 - 幸福课课程节选

After logging into the course's website, you'll appear on the top left-hand corner as I just did with your actual names that we know exactly who we're working with and then what you can do is raise your hand sort to speak.

登录课程网站之后，你将被显示在,左上角，通过你们的真实名字,我可以知道我到底是在跟谁一起工作,然后你们可以做的是举手来回答问题。

哈佛公开课 - 计算机科学课程节选

I think you people know how we can say that with confidence.

我想你们肯定都知道我们为何如此确信

耶鲁公开课 - 基础物理课程节选

I don't know whether we can or can't. Suppose we can.

我不知道这样是否可行，假设可以。

耶鲁公开课 - 死亡课程节选

So, some people in their day-to-day lives have many interactions and I think one of the things we know from interacting with people is we can distinguish them from other people.

这些人在日常生活有接触到很多人,我们在与别人的接触中了解到,我们可以把他们与别人区分开来。

耶鲁公开课 - 心理学导论课程节选

So you can actually say, how do I know which methods are associated with the class? For that, we can call dir. And what it does, is it gives me back a listing of all the things, dir all the methods, that are associated with it.

我们开始建立类了，我们得到了这些方法,因此实际上你可以说，我怎么知道，哪些方法是关联与这些类的？,为了解决这个问题，我们可以调用，这个方法的作用。

麻省理工公开课 - 计算机科学及编程导论课程节选

So the instinct of many cabinet officers and other senior officials is "Boy, when we take this to the president, let's see if we can reach some sort of 4 compromise, you know, you say 2, I say 4, let's just go tell the president 3 that we've agreed on 3."

所以许多内阁官员,还有其他高层的领导人的本能都是，我们把这个给总统处理之前，先看看我们能不能各自让步,比如你说2，我说，我们就告诉总统,我们都同意“

普林斯顿公开课 - 国际座谈会课程节选

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

There is no reference, in any of the tablets-- I don't know how much we can make of that because the tablets limit themselves to such limited kinds of things that maybe it doesn't prove anything, but in this case, I think it does.

在所有陶土碎片的文字中都没有注释,我不知道我们能够理解多少,况且陶土碎片可供记录的空间有限,也许它们不能证明任何东西,但在这里,我想至少可以证明一点

耶鲁公开课 - 古希腊历史简介课程节选

So taking advantage of the fact that we know S1 is equal to S2 I can simplify things by making S1* equal to S2*.

我们利用S1=S2这个等式,这样用S1*=S2*可以化简了

耶鲁公开课 - 博弈论课程节选

Let's look at a few examples of how we can use the "I don't know" pattern.

下面我们来看几个例子，看看该如何使用这个句型。

I don't know 课堂 - SpeakingMax英语口语达人

Milton's infusing this passage with a powerful sense of -- I don't know, what can we call it? -- of gender nonconformity and cultural relativity.

弥尔顿在这段中注入了一个很强烈的思想，我也不清楚，我们怎么叫这种思想呢？这种性别的不一致和文化的相对性。

耶鲁公开课 - 弥尔顿课程节选

I think that theological positions need to change and we know that can, look at how they've changed in Christianity regarding women, not perfect, but, regarding women, the end of human chattel slavery.

我认为一些相关的神学观点需要变革,这是完全有可能的,看看基督教对于妇女的观点的变革吧，虽然不算完美，但的确有所改变，还有奴隶制的废除。

普林斯顿公开课 - 人性课程节选

This is very important,which is why I am doing it: "If we want to know how fast a human being can run, then it is no use to average out the speed of a "good sample" of the population; it is far better to collect Olympic gold medal winners and see how well they can do.

这话非常重要，是我作这个研究的原因：,“如果想知道人类最快能跑多快，那从好的样本中测出平均数是“,没用的;,而应该收集田径类奥运冠军的信息,看他们能跑多快。

哈佛公开课 - 幸福课课程节选

So I can't really speak to the specifics of what was going on But bureaucracy as we know is always with us and one of the problems of Afghnastan was getting things done quickly, and a lot of mistakes were made because they try to so things too quickly and didn't think through the process.

所以我也不知道情况到底是怎样的,但是官僚作风是一直存在的,阿富汗存在一个问题就是,很多事情完成的太快，以至于出现了很多错误,这是因为他们想要尽快把事情做完,没有考虑过程。

普林斯顿公开课 - 国际座谈会课程节选

So the events that I don't really know the details of, we can just call B1, B2, B3, up through Bn.

由于我不知道某些具体的生理过程,我们可以叫它B1 B2 B3一直到Bn

耶鲁公开课 - 死亡课程节选

If we want to know the possibilities for spiritual growth, value growth or moral development in human being, then I maintain that we can learn most by studying our most moral,ethical,or saintly people.

如果想知道心灵成长的可能性，人类价值增长或道德发展的可能性，那我认为，我们可以研究,最道德或圣洁的人。

哈佛公开课 - 幸福课课程节选

And that's our obligation to send them to war only when we have to, and only when we know they can actually achieve their mission is a key difference between what I advocate and what the neo-cons advocate.

我们有义务,在必须的时候，送他们上战场，我们必须确保,他们一旦奔赴战场就能完成使命,这是重大的不同,我和新型保守派主张的不同之处主要在此。

普林斯顿公开课 - 国际座谈会课程节选

We have no idea what this menacing contraption actually is supposed to look like or what it's actually intended to signify, but we can know, I think, with some certainty that it's not scrannel.

我们无从得知这个威胁性的装置,实际上是什么样或者要代表什么，但是我们可以通过一些并不细小的确切性得知。

耶鲁公开课 - 弥尔顿课程节选

We know that because you can stretch i by whatever factor you like.

因为你可以让 i 伸长任意的倍数

耶鲁公开课 - 基础物理课程节选