You can be in deep water, for example, if you invest in stocks without knowing anything about the stock market.

VOA: special.2009.05.10

It's best if you can do it even without subtitles.

如果你能不看字幕，那就最好了。

在外国说英语的方法 - SpeakingMax英语口语达人

If you knew only the third derivative of the function, you can have something quadratic in t without changing the outcome.

如果方程里有三阶导数,你就可以引入一个二次项,但是结果却不会变

耶鲁公开课 - 基础物理课程节选

If a corporation is legally a person, then states cannot limit corporate rights without due process of law either.

VOA: special.2010.03.05

If the mind is just a way of talking about the body, how could I imagine the mind without the body?

如果心灵只不过是身体的另一种说法,我怎么能独立于身体想象心灵呢

耶鲁公开课 - 死亡课程节选

They said people honored Rand and Branden as if they were religious leaders without ever questioning their beliefs.

VOA: special.2010.06.06

If you feel exposed without a text book, you really have to have a textbook, John actually I'm going to reuse that word, John, at least suggest it, on the course website.

如果你觉得没有教科书就缺乏安全感的话，那你真的需要一个了，其实我应该重新使用这个词儿，至少是建议，你能在课程网站上找到。

麻省理工公开课 - 计算机科学及编程导论课程节选

He said the company could have the machine without cost if John Henry was faster.

VOA: special.2009.02.21

These gas ions, if you take gas ions, these gas ions, if you take gas ions, gas ions of opposite charge will necessarily agglomerate without limit.

这些气态离子，如果你得到气态离子的话，如果你得到这些气态离子，具有相反电荷的气态离子,将必然会无限地聚集。

麻省理工公开课 - 固态化学导论课程节选

If they approved the constitution without slavery, then Kansas would be closed to new slaves.

VOA: special.2009.05.21

If I'm anonymous, it's not me and I could do terrible things without feeling the same moral responsibility.

如果我是匿名的，那我就不是我了,我就能干坏事,而不用感到有道德责任。

耶鲁公开课 - 心理学导论课程节选

If there was a snake here, I'd apologize. Where would this college be without football?

VOA: special.2009.07.19

If you knew your way around in the funhouse like your own bedroom, you could wait until a girl came along and then slip away without ever getting caught, even if her boyfriend was right with her.

如果你在开心馆中跟自己在寝室里一样熟悉门道，你可以等一个姑娘前来，事后溜之大吉,绝不会被人抓住，即使她男朋友就在旁边。

耶鲁公开课 - 1945年后的美国小说课程节选

Let's see if I can name a few off the cuff, or without any preparation.

VOA: special.2010.05.02

If I'm proud of knowing that in another culture if I belch after dinner it's a compliment to the cook, right, and if I'm proud of knowing that without drawing any conclusions from it, that's sort of the equivalent of historicism.

我知道在另一种文化中,吃饭后打嗝是表示饭菜好吃，我虽然知道但并不从中作出任何结论，这就是历史相对论的表现。

耶鲁公开课 - 文学理论导论课程节选

But he said if people changed their mindset, there could be a world without poverty.

VOA: special.2010.06.16

The patriarchal stories are clearly not the work of the Deuteronomist, and these stories must have had very longstanding traditional authority if they were adopted without serious modification by the Deuteronomist redactor some modification, but not serious.

那些宗法故事显然不是预言师的作品，这些故事必然经过了传统权威的检验,如果他们是未经更改直接引用的话,由那些预言编写者,这里有一些改动，但不是太多。

耶鲁公开课 - 旧约导论课程节选

Activists like Sharon Ekambaram, a spokesperson for Doctors Without Borders, say if the U.S.cuts funding, other countries will do the same.

VOA: standard.2010.07.17

If you've been going 19 days without any food, you know, someone just has to take the sacrifice, someone has to make the sacrifice and people can survive.

如果你已经19天没有进食，那么总得有人要作出牺牲，必须有人牺牲，其他人才能活下来。

耶鲁公开课 - 公正课程节选

If a large financial institution should ever fail, we will have the tools to wind it down without endangering the larger economy."

VOA: standard.2010.05.21

You see, if they give the-- if they merely give shares to the CEO without increasing your shares, then you are being diluted because it's raising the total and it's reducing the ratio.

如果他们仅仅给首席执行官股份,而不给你们增发股份的话,那么你们的股份会因总数增加而被摊薄,比例有所降低

耶鲁公开课 - 金融市场课程节选

WHO says if her attempts to terminate pregnancy fail, she turns to someone without adequate medical qualifications.

VOA: standard.2010.06.24

So a number of you, even if the price was just a tiny bit different might have a preference for one rather than the other, so without getting in trouble by putting the camera on you, how many of you would have a preference, if the prices were essentially the same how many of you would have a strict preference for Pepsi?

那么你们中的很多人,尽管价格只有一点点不同,也许还是倾向于其中一个产品,不让你们上镜头而招来麻烦,你们谁会有倾向,如果价格差不多,谁会倾向选择百事可乐

耶鲁公开课 - 博弈论课程节选

"I think these things can move in parallel. Obviously,it would be easier if these things had come out in a different way, and been conducted without the kind of irregularities that have been identified,"

VOA: standard.2009.10.20

Some people said of him in real life he had a little button nose. I don't know from some pictures of the look, if they were without make-up.

有人说在现实生活中，他的鼻子,有一点塌，我不知道是否有,没画过妆的照片上有他原本的样子。

麻省理工公开课 - 电影哲学课程节选

But they say the United States is losing patience with what they see as fruitless overtures to Tehran, and they say they believe that sanctions should be imposed without delay if the long-anticipated visit to Tehran by President Lula fails to produce results.

VOA: standard.2010.05.14

There are so many ways in which that has changed the world, but I can't do justice to it but Hanson does, so if you want to read, fields Without Dreams, you can ponder the significance of this great change.

有太多改变这个世界的因素了,我很难全部都客观地讲出来,但是汉森可以,你可以在《遗梦之野》中有所了解,你可以仔细琢磨这些伟大的变革

耶鲁公开课 - 古希腊历史简介课程节选

"We think because of the long term effect of the bone, there may be stress fractures that are not repairing and I think the bone is becoming brittle, and it's not exactly as if it occurs without any warning, but it occurs suddenly with minimal trauma."

VOA: standard.2010.03.14

As we could have same personality without literally same brain, if personality is the key to personal identity, that would still be me.

我们可以拥有同样的人格,不需要同样的大脑,如果人格是人格同一性的关键的话，那个人还是我。

耶鲁公开课 - 死亡课程节选

Nowadays, if you go to outer space, you can check for yourself that if you throw something out, it just goes on forever without your intervention.

现如今,如果你去了外太空,你可以向外抛个物体试试,如果你不打断它,它就会一直运动下去

耶鲁公开课 - 基础物理课程节选