If you are going out with your girlfriend,or boyfriend, you do not want another friend to go along on your date.

VOA: special.2009.07.26

Because you will come to regret it if you don't do it. But we're not going to grade it.

但是我们不会对此计分,因为不计分所以让你们。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because your store might not do so good, if you just first open and no one has ever heard of you,

因为你的商店也许会没那么好。如果你是第一次开店，没有人听说过你的话，

想开精品店 - SpeakingMax英语口语达人

For example, if you say bad things about a person, the person might protest and say "Do not bad mouth me."

VOA: special.2010.06.20

One thing I do ask you: If you are not doing it, if you don't participate, simply just keep quiet.

我对你们的一个要求是：,如果你不做，不参与的同学，请保持安静。

哈佛公开课 - 幸福课课程节选

If you do not see any big animals near the river, Mist can tell you about birds instead.

VOA: special.2009.08.19

So things break if you try-- if the computer tries to take you too literally so it would not be correct generally to do something like that.

如果你把它分开-,那么电脑会逐字逐句地解析,你拆开写的代码,由此得到的结果一般都是错误的。

哈佛公开课 - 计算机科学课程节选

Anderson then told the southerners, "If you do not shell us to pieces, hunger will force us out in a few days."

VOA: special.2009.08.06

As I keep moving down, that part gets smaller, it's not always the initial length of the list, and you're right. But if you do the sums, or if you want to think of it this way, if you think about this more generally, it's always on average at least the length of the list.

等等，随着移动，剩下的部分越来越小，并不是初始那么长了，如果你算一算，或者你这么想，你考虑更一般的情况，平均下来至少是列表的长度。

麻省理工公开课 - 计算机科学及编程导论课程节选

Maybe even lots of snow. If you do not have to drive in it or remove it, snow can be very beautiful.

VOA: special.2009.01.26

Now, if Parker did give his consent, would it be all right, do you think or not?

那如果派克的确同意了，你觉得杀他是正当的吗？

耶鲁公开课 - 公正课程节选

Well,I hope you do a good job,Colonel. If I do not, you will have my profound apologies.

VOA: special.2009.03.22

If this part's very easy for you, there's not much I can do right now.

如果这一部分对你来说很简单,那我现在也没有办法

耶鲁公开课 - 基础物理课程节选

You do not always know if a clay object will survive being fired at high temperatures.

VOA: special.2009.09.09

But if the attacker was to attack through the hard pass, again not surprisingly, you do better if you defend the hard pass than the easy pass.

但如果入侵者选择崎岖之途,仍然是毫无疑问,选择防御崎岖之途要比平坦之途好

耶鲁公开课 - 博弈论课程节选

After that,if you do fertilize the bulbs, do not mix the fertilizer in the planting hole.

VOA: special.2011.04.12

My first advice is if you want to make money, which I don't particularly advise, but if you do it's not a bad idea to go into finance.

我的第一个建议是,如果你想赚些钱,虽然我并不鼓励,但如果你要赚钱,那从事金融并不是个坏主意

耶鲁公开课 - 金融市场课程节选

If someone does something bad to you, you should not do the same to him.

VOA: special.2009.07.26

Any of you who have access to a four- or five-year-old, a sibling or something-- Do not take one without permission, but if you have access to a four- or five-year-old you can do this yourself.

如果你身边有四五岁大的孩子,兄弟姐妹什么的,一定要先得到同意再去试验,如果你身边有四五岁大的孩子,你可以自己去试试

耶鲁公开课 - 心理学导论课程节选

If you have any of those signs, do not go to work or school.

VOA: special.2009.04.29

There were previous examples of people trying to have a deep wing that would do things, but if you take me back to my primitive phalanx here about 600-650 they're not doing that stuff yet.

先前有例子,人们会在布阵时增加两翼的排数,如果再回到我这里的原始方阵,公元前六百到六百五十年的方阵,不会采取这种方式

耶鲁公开课 - 古希腊历史简介课程节选

If a friend keeps asking you to do something you do not want to do, you might ask him to leave you alone or "stop bugging me."

VOA: special.2009.06.28

A good way to do that, if you are not doing research ahead of time,

如果你没有提前做调查，找语言学校的最好的方法，

在外国说英语的方法 - SpeakingMax英语口语达人

"Even if you are not a celebrity, if you are not rich, if you are not famous, you can do something to help make this world a better place."

VOA: special.2009.08.10

And if you're not sure what to do, you can always go to club fairs,

如果你不确定该做什么，你可以一直去俱乐部的集会，

阿卡贝拉组合最棒 - SpeakingMax英语口语达人

If that bank says no to you, do not lose heart.

VOA: special.2010.07.18

But if you say, well, I don't know how to do this, I am not going to bother, don't grade the paper.

但是如果你说，好吧，我不知道怎么做这个，我想麻烦，别给试卷评分。

麻省理工公开课 - 固态化学导论课程节选

"If you do not set deadlines in this town, things do not happen.

VOA: standard.2009.07.23

In this book, what I wanna just hit home here, especially for those if you are watching this, is that spiritual life and religious expression is not something that you do once and then you're done.

这本书，我想重申它的精彩之处，观众们，在于告诉你们，精神生活和宗教表达,并不是一次就,可以完成的事儿。

普林斯顿公开课 - 人性课程节选

If my advice is lost in the wind and you do not do as I wish, I do not recognize you as my son."

如果你辜负了我对你的期望,胆敢把我的话当耳边风,我就绝不认你这个儿子"

耶鲁公开课 - 欧洲文明课程节选