"If I felt that I could have been increasingly effective in that job, I suppose I would have continued to do it.

VOA: special.2010.05.09

If I have to do a poll here,most people, guaranteed,would say praise people.

如果我在这里做一项民意调查，保证大多数人，会说通过赞美来提升。

哈佛公开课 - 幸福课课程节选

We aren't very wealthy, so we don't have enough money to spend on that even if I wanted to.

我们不是很富有，所以即使是我想买，我也没有足够的钱去买。

不需要名牌 - SpeakingMax英语口语达人

If there was no home like this, I would have no place to go to continue my education.

VOA: special.2010.05.03

Some others If I might have a right to X, do you have a duty to fulfill that for me?

其他的像如果我有某项权利，你有没有义务帮我实现？

普林斯顿公开课 - 人性课程节选

Madam C.J.Walker explained it this way: "If I have accomplished anything in life, it is because I have been willing to work hard."

VOA: special.2010.03.28

As soon as I detect with what we'll call a condition if I'm touching the edge I have to essentially spin around 180 degrees and then continue looping.

一旦我检测到这种情况,当我碰到边界时,我需要转180°然后继续这一循环过程。

哈佛公开课 - 计算机科学课程节选

I'm ashamed to be your father. I'd have horsewhipped you if I had a horse.

VOA: special.2009.07.19

If I'm going to make insulin from this I have to know that I've got the introns spliced out correctly.

如果我要用这些来生成胰岛素,我就得知道是不是把内含子都准确剔除了

耶鲁公开课 - 生物医学工程探索课程节选

But then if it's like during the summer and I'm really bored, I don't have anything else to do, then it might be a little longer."

VOA: special.2009.09.14

If I want to get down to very, very fine dimensions, I have to bring huge energy and disturb the very thing I am going to measure.

如果我想认真处理很精确很精确的度量，我需要用巨大的能量,但是弄乱我将测量的东西。

麻省理工公开课 - 固态化学导论课程节选

"I realized that if I was going to write, what I was going to have to do instead was to write what I was willing to learn instead of what I knew.

VOA: special.2009.10.12

It might be that I get what matters to me even if I have, as long as I have,similar personality,even if I don't have survival.

即便只要我拥有相似的人格，不生存下去也无关紧要。

耶鲁公开课 - 死亡课程节选

"I hope they are how I left them. Because if they have oil in them, they are going to stay there.

VOA: standard.2010.05.06

I have to tell you the path, if you're going to solve a problem.

我得告诉你，如果你要解一个问题。

麻省理工公开课 - 热力学与动力学课程节选

"I have spoken already to customers here; they are planning shift to iPhones if BBM is closed."

VOA: standard.2010.08.02

All right. What if we have passion, I'm sexually attracted to you, but no intimacy.

好，如果有激情，你让我欲火燃烧，但我们之间并不亲近。

耶鲁公开课 - 心理学导论课程节选

"If there was no home like this, I would have no place to go to continue my education.

VOA: standard.2010.02.24

I think that you don't really have self possession if you choose to live in a society because you cannot just discount the people around you.

我认为如果你选择生活在社会中,就不可能完全地自我拥有,因为你不能无视其他人的存在。

耶鲁公开课 - 公正课程节选

"If I knew how to answer this question, he would not have been at large,"

VOA: standard.2009.10.25

If you have not seen the calculus that I'm about to use on the board, or more likely, if you've forgotten it since high school, don't panic.

如果你们没有见过我将要,在板书上写的表达式,或者说,高中毕业你们就忘了,没关系

耶鲁公开课 - 博弈论课程节选

Haven't hit it yet so I've got to hit it next time. If I wasn't in the final it would have been a huge disappointment.

VOA: standard.2009.08.22

Notice if I'm going to have two different sub problems I need to have two base cases here to catch this. And if I only had one it would error out. And as a consequence, I can go off and ask about rabbits. Let's see.

我需要定义两个基础事件来处理它,如果我只有一个基础事件的话就会产生错误,这样我就能够知道到底有多少只兔子了,让我们来看看，在第12个月末,没那么简单，在第二年末兔子就很多了。

麻省理工公开课 - 计算机科学及编程导论课程节选

And if we do get affirmative action, then I hope that we will have an agreement that we can send to the (IAEA) board of governors."

VOA: standard.2009.10.21

They have maybe a sense that I can influence events by willing or wishing and if I think that-- if I have kind of a mystical side to me, then probabilities don't have a clear meaning.

他们也许觉得 我可以通过意愿或者许愿,来影响事件的发展,也许...,我说不定有神力相助,如此概率这个概念就有些模棱两可了

耶鲁公开课 - 金融市场课程节选

"I am not ready for tomorrow. I am ready for yesterday. If you wanted to start your World Cup yesterday, I would have said I am ready."

VOA: standard.2010.06.02

The question would have been what will happen if I go and try to settle a colony at the place which I will call Syracuse that's what I've been describing on the southeastern coast of Sicily.

人们提得问题可能会是,如果我去,锡拉库萨建立殖民地,会发生什么事情,这就是我刚才描述过的,发生在西西里东南岸的事

耶鲁公开课 - 古希腊历史简介课程节选

If I want to protect my daughter I have to get out,"

VOA: standard.2010.01.20

I will try to finish every lecture on time, but sometimes if I'm in the middle of a sentence or the middle of a derivation, I may have to go over by a couple of minutes; there's no need to shuffle your feet and move stuff around.

我会尽量准时下课的,但是有时候如果我正在讲解一个概念,或者正在推导一个公式,我会稍微多讲几分钟,你们不用来回蹭脚,收拾东西什么的

耶鲁公开课 - 基础物理课程节选

or like, for, if I have like anything I want to learn in my professional life or whatever, it's really easily available.

或者，如果我在以后职业上有什么要学，也可以在这里很容易找到。

开放式的课程？ - SpeakingMax英语口语达人