But states decide how much students need to know to show "proficiency."

VOA: special.2010.03.18

Milton wants to create the illusion that he's predicting, or that he's prophesying, the actions recounted in the poem, as if Milton were prophesying what of course we know to be already past.

弥尔顿想给我们一种他在预言，诗中所叙之事的感觉，似乎他是在预言这些我们都知道已经发生了的事情。

耶鲁公开课 - 弥尔顿课程节选

I know to be a judge, you can't just become a judge, you usually have to practice as a lawyer first.

就我所知，你不能一开始就成为法官，你必须先成为一名律师。

为了更美好的世界 - SpeakingMax英语口语达人

In a crisis,first responders know to look for the card on the refrigerator, to learn the victim's language and other important information.

VOA: standard.2010.07.22

That's what we have to know to compute the efficient portfolio frontier with three assets.

这些都是计算三种资产的有效边界,所需要用到的。

耶鲁公开课 - 金融市场课程节选

He says they have been given what they need to know to ensure the safety of airplanes and marine vessels in the region of the planned launch.

VOA: standard.2009.03.12

So these are five things you need to know to be happy.

比如，快乐的五个关键。

哈佛公开课 - 幸福课课程节选

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

VOA: special.2010.01.28

I would ask you to see how such energy level diagrams rationalize what we know to be true.

我想问你，看看这种能级图,如何证实我们知道的是正确的。

麻省理工公开课 - 固态化学导论课程节选

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

So, these are all the things that Tim Jamison needs Tim Jamison to know to do organic chemistry.

也许要用一个过渡金属来优化它,这些都是。

麻省理工公开课 - 化学原理课程节选

It is also important to know what to do if the signs appear -- in yourself or in someone else.

VOA: special.2010.07.27

And all of those long notes are coming on the downbeat so that's how we start to hear that as a downbeat and that's how we know to make our hand go down at that point so that's one way.

所有的长音都出现在重拍上,这就是我们怎么判断出重拍,如何判断出该什么时候把手往下摆的,所以那是一条途径

耶鲁公开课 - 聆听音乐课程节选

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

Or what - and often it's not going to be just one gene, it's going to be combinations of genes, and how do you predict the fate of the individual based on all of the genes that you know to be involved in progression of a certain disease.

有时候甚至都不仅仅是一个基因的问题,引发疾病的是一些不同基因的组合,并且怎样基于,导致某种特定疾病的所有基因,来预测一个人未来是否会患这种疾病呢

耶鲁公开课 - 生物医学工程探索课程节选

She said she changed her name because she did not want her parents to know what she was doing.

VOA: special.2009.10.04

The very fact that I need to know it in particular is what makes me need to know it negatively.

认识一件事物需要知道,它不是什么。

耶鲁公开课 - 文学理论导论课程节选

A lot of Americans may be surprised to know that it was written without saying anything directly about sports.

VOA: special.2010.03.04

It's one thing to know your place in the universe, or to know the fundamental laws of physics.

知道自己在宇宙中的位置，或知道物理的基本定律是一回事。

耶鲁公开课 - 死亡课程节选

And when the pruning is done in August, the lambs -- well, you might not want to know this part.

VOA: special.2009.07.14

You've got to know your trigonometry, you've got to know what's a sine and what's a cosine.

你们得懂三角学,你们得知道什么是正弦什么是余弦

耶鲁公开课 - 基础物理课程节选

Experts say it is important to know the danger signs of the medical disorders linked to hot weather.

VOA: special.2010.07.27

In other words, to understand and cope with the problems that we all face, we all need to know and to grapple with the Western experience.

换句话说,为了理解并解决我们所面对的问题,我们必须了解并掌握西方文明的经验

耶鲁公开课 - 古希腊历史简介课程节选

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

And an interesting piece of data is that the students reported that one of the primary values that they got out of the course was the opportunity to get to know people throughout the company that it would take them years to get to know on their own.

一个有趣的现象是,学生们报告称,该课程带给他们,最大的收获之一就是,借此机会认识了,全公司的人，而今后,他们会继续加深了解。

麻省理工公开课 - 媒体、教育、市场课程节选

Danijel Djordjic wants to know who was the first American to win the Nobel Prize in Literature.

VOA: special.2009.03.13

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

Mike Lizotte of American Meadows, an online store, says before you start, you need know whether to plant tender bulbs or hardy bulbs.

VOA: special.2011.04.12

We know there has to be some effect of the environment shaping language, obviously, because in order to know English you have to have heard English, in order to know Dutch you have had to heard, to--had to have learned and heard Dutch.

我们知道,很明显某些环境作用,塑造了语言,因为要理解英语,你必须听过英语,要理解荷兰语,你必须学过和听过荷兰语

耶鲁公开课 - 心理学导论课程节选

You need to know if it's an equilibrium, and you also need to know how many components you have in your system So, a glass of ice water with an ice cube in it, which is a heterogeneous system, has only one component, which is water, H2O.

要知道它是不是平衡的，你还需要知道,你的系统中有多少组分,一杯放了冰块的水，虽然它是个非均匀系统，但它只有一种组分，那就是水。

麻省理工公开课 - 热力学与动力学课程节选