It's very simple. It's this: if I know what I'm doing, it is almost inevitably the case that you would know also.

实际上十分简单：,如果我知道我创作的是什么，那么你很可能也知道我创作的内涵。

普林斯顿公开课 - 人性课程节选

So like, when you're going to Chinatown, it's good to know what you want to buy.

所以，如果你要去唐人街，你还是知道自己想买什么的好。

强烈推荐购物 - SpeakingMax英语口语达人

And if you pay attention to the smallest things while knowing what's important, then everything else takes care of itself.

如果你注意到了最小的东西,并且知道什么是重要的，那么任何其他事情都会自然而然地好起来。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

It's very exciting, but if you think you know everything you don't need to learn, you don't belong to us. I always need to learn.

这很令人兴奋，但如果你认为,你什么知道，你不需要学习了，那么请你退出百度，因为人总是在学习。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

If there are things that would change your mind and you know that they would change your mind about your behavior, ? how can it be rational to disregard them?

如果有什么东西会改变你的想法,而你知道它们会改变你的行为，无视它们又怎么能是合理的呢？

耶鲁公开课 - 死亡课程节选

When we're just interacting with idol, with the interactive editor or sorry, interactive environment if you like, that's what you expect. What's happening is that we're typing in something, an expression it doesn't know how to deal. It's raising the exception, but is this simply bubbling up at the top level saying you've got a problem.

就发生了其中之一是吧，当你在交互数据处理或者是在交互编辑器，抱歉，任何你喜欢的交互式环境中，你可能会遇到这些，如果你在输入什么内容,譬如一个它不知道怎么处理的表达式,它就会报一个异常,但这是否是简单的,把你遇到的问题冒到最顶层呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

So I just have to see, oh, here's a D, let me keep looking, D here's an A, keep looking here's a V, here's an I, here's a D and yet, and this is one tidbit we introduced a week or so ago, how do I now know if I'm just given the address of the start of the string where the end is?

我只需要看到，哦，这里是一个D，让我接着往下看，这里是A，接着这是V，这是I，这是,然而，这是我们一周以前介绍的花絮，如果你给我一个字符串开始的地址,我怎么知道它什么时候结束？

哈佛公开课 - 计算机科学课程节选

If you think that Americans have an image of what we stand for in the world and of what we do.

如果你认为美国人知道,自己在世界上象征了什么,知道自己在做什么。

普林斯顿公开课 - 国际座谈会课程节选

You can take these big risks of time, and if at the end of the day there's nothing to detect, you still know how to build a detector.

如果最后你什么都没测到，你至少知道了,怎么造一个探测器,所以如果你们。

麻省理工公开课 - 化学原理课程节选

You know what you are going to get if you go somewhere you've been before, so.

如果你去你以前去过的地方，你知道你会得到什么。

知道普雷特公司吗？ - SpeakingMax英语口语达人

If you want to know something like when do you hit the ground, I think it's fairly clear what you have to do.

如果你想知道车子何时落地,我想你该做什么就很明显了

耶鲁公开课 - 基础物理课程节选

Well, if you're a poor farmer, you don't know what else to do.

如果你是一个贫困的农民,你不知道自己能干什么

耶鲁公开课 - 古希腊历史简介课程节选

It's best if you don't know what that is or even if you do mistakenly attribute it, misattribute it, to physical attraction, romance, intimacy, passion and commitment, it's love.

最好是如果你不知道是什么,甚至如果你错误认定，以为是生理吸引力，浪漫，亲密，激情和承诺，那是爱情。

耶鲁公开课 - 心理学导论课程节选

Computing square root. I'm going to capture it in a piece of code, I'm going to be able to refer to it by a name, and I'm going to suppress the details, meaning inside of that computation, you don't need to know what it does. You just need to know, if I give it the right kind of input, it'll give me back an input that satisfies the contract that I set up.

比如计算平方根,我会用一段代码来说明,我将给它命名,并且忽略细节,意思就是在这一段计算过程中,你不用知道它做了什么，你只需知道，如果我进行了正确的输入,它将会给我符合条件的输出。

麻省理工公开课 - 计算机科学及编程导论课程节选

- After all, if you knew-- suppose we had the birthmarks that told you -- when you were going to die-- if you had that kind of a birthmark, you would face your entire life with the burden of knowing, I've got 48 years left, 47 years left, 50 years left.

毕竟，如果你知道-,假设我们有个胎记能告诉你,你什么时候去世-,如果你有那种胎记，你一辈子都将面对那种知情的压力，我还剩48年，还剩47年，还剩50年。

耶鲁公开课 - 死亡课程节选

If you want to know what the number c is, you say, let's put time t=0.

比如,如果你想知道系数c代表的是什么,我们令时间t=0

耶鲁公开课 - 基础物理课程节选