In everyday speech, holding your cards close to your vest means not letting other know what you are doing or thinking.

VOA: special.2009.11.22

It actually lets you see how to get access to that pointer so you know what you're referring to.

怎么来取得指针,以得知在对什么进行操作,但是这是个简单的设计决定。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

We want to know what you have to say about the effects of the Internet on language and writing.

VOA: special.2010.01.28

And Joe Jackson had this song which had the lyric, like, you can't get what you want unless you know what you want.

杰克森有句歌词这么写的,汝欲求之,必先知之

耶鲁公开课 - 博弈论课程节选

You know,the circulation, and the smell of your own panic, you know, when you're not sure what to do."

VOA: special.2010.07.26

Again, you can't even correct for it because, let's just say, the whole population overestimated calories and things were underestimated by 30% percent, well then you just put in that correction and you know what you got.

你甚至无法纠正这个误差,因为,比方说,整个总体人群都高估了卡路里,或者都低估了30%的卡路里,研究人员纠正误差才能得到正确数据

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You will hardly know who I am or what I mean, But I shall be good health to you nevertheless.

VOA: special.2009.04.12

So I'm sorry to have sort of the long gloom and doom, but it seems that it's only fair to let you know what you're getting into.

所以我抱歉说了这么的冗长的规矩，但是这合理让知道你们将要面对什么。

耶鲁公开课 - 死亡课程节选

He is a leader in the sign-making industry - a real big gun,if you know what I mean.

VOA: special.2010.11.28

We have to know what to pay attention to People who are not good in focusing their attention on the right things -I'm not just talking about attention deficit disorder, I'm talking about some more high-level question of how you know what you should be paying attention to.

我们需要知道哪些值得注意,那些主次不分的人,我谈论的不仅是注意力不足过动症,还有在面对复杂问题时,你如何知道哪些事情值得关注

耶鲁公开课 - 金融市场课程节选

When you're teenagers, you don't quite know what to write on there. Little Os and Xs for kisses and things like that.

VOA: special.2010.02.08

how you know what you're doing,

你轻松掌控你手头的事，

I'm good at 课堂 - SpeakingMax英语口语达人

You can make your own chances. But first you have to know what you are after,my dear."

VOA: special.2009.02.14

involves rejecting the claim that you know what you're doing.

拒绝承认人类行为受到意识的支配。

耶鲁公开课 - 心理学导论课程节选

We leave you with "I Don't Know What To Do" from Pete Yorn and Scarlett Johansson.

VOA: special.2009.10.09

Obviously we don't expect you to know exactly what the distances are, but you should be able to compare them relatively.

当然我们不要求你么,要能知道具体这些位置是多少，但你们要能够相对比较它们。

麻省理工公开课 - 化学原理课程节选

what Matt would have done?" "How do you know "Now you're setting up a date with a vampire! What do you have, a death wish?"

VOA: special.2010.01.20

You know what I mean?" He was slouched rhetorically forward toward Franny, his receptive audience, a supporting forearm on either side of his martini.

你们知道我意思吗，他夸张的无精打采地,向弗兰尼走去，弗兰尼是他的忠实观众，他双臂撑在马提尼的两边。

耶鲁公开课 - 1945年后的美国小说课程节选

"They're being told that, 'Hey you know what, I can send you a few dollars.

VOA: special.2010.04.12

This is one picture that probably you all know what it is when you see it, it's a familiar looking image.

这张图片,一眼便知其中乾坤,太眼熟了

耶鲁公开课 - 生物医学工程探索课程节选

But you don't have to be very smart to know what his trouble is.

VOA: special.2009.11.29

Now, let me take a sidebar for about five minutes to talk about course administration, the administrivia things that we're going to do in the course, just so you know what the rules are.

现在，让我用大约五分钟的边角料时间,来说说本门课的基本信息,也就是我们需要在课上做的事儿，好让你们了解一下规则。

麻省理工公开课 - 计算机科学及编程导论课程节选

You monkey around with something when you do not know what you are doing.

VOA: special.2011.03.13

Did you... I mean, cause I could predict both of where you are, you are in the west bank, you are in Israel, and not really seeing a way. You know what I mean. And so what did you resolve?

那你们，我的意思是，我能够预计,你们两个所处的情形，你在西岸，你在以色列，却不是很容易找到一个方式，你们懂我的意思吗？,你们如何解决的？

普林斯顿公开课 - 人性课程节选

"Don't pretend that you don't know what you have done to me."

VOA: special.2009.05.30

You want to talk about it systematically, but how can you talk about anything systematically if you don't know what it is?

人们总希望系统化地谈一件事，但是你一点都不了解它,怎么能系统化地谈它呢？

耶鲁公开课 - 文学理论导论课程节选

If using your voice is difficult, then you know what dysphonia is.

VOA: special.2009.09.02

Based on the lessons we've been telling if I say *, you know what I have a computer.

基于我们讲过的课程，如果我指明，我有一台计算机。

哈佛公开课 - 计算机科学课程节选

So if you want to do well in 1504-- you'll know what you need to do, right?

如果各位想学好1504这门课-,你们知道该怎么做了，是吗？

哈佛公开课 - 幸福课课程节选