Do not come to your instructor and say, I've got a really good ticket but I'm leaving on the 13th.

不要去和你们的讲师说，我已经买好票了,但是我要在13号离开。

麻省理工公开课 - 固态化学导论课程节选

And I think too, a really good exercise if you wanted to do is, if you have a dictionary,

我也认为，如果你想练习，如果你有字典的话，比较好的练习

有这样的困难 - SpeakingMax英语口语达人

We will initially think about the first question: Do we have any good reason to believe in souls at all?

我们将要开始考虑第一个问题,我们到底有没有理由去相信灵魂的存在

耶鲁公开课 - 死亡课程节选

Okay, good, so what we're going to do is we're going to differentiate this thing to find a first order condition.

好吧,那我们接下来,对它求导后找出一阶条件

耶鲁公开课 - 博弈论课程节选

It's a good sort of question that gets raised in such a problematic allusion: how do you set out to write an original poem within such a conventional genre like the epic?

对于这样一项有问题的引用,提出这些问题是很好的：,你怎么能开始写一篇标榜原创的诗作,却使用史诗这一传统的文体呢？

耶鲁公开课 - 弥尔顿课程节选

And the last thing we do for any of our structures to check them and figure out are these valid or not valid, are these good Lewis structures is to check the formal charge.

而为了检验任何一个结构是否有效,看它们是不是好的路易斯结构,我们要做的最后一件事就是检查形式电荷。

麻省理工公开课 - 化学原理课程节选

And so what you want to do, basically drawing upon the law of effect, is reinforce the pig for doing good things.

你所要做的就是，应用效果律，强化这头猪做出的令你满意的行为。

耶鲁公开课 - 心理学导论课程节选

Because one of the things that you want to do as a good designer is to basically map a new problem into a known domain.

因为如果你们,想做一个好的设计师,最基本的事情之一就是学会,把没碰到过的问题映射到已经领域中去。

麻省理工公开课 - 计算机科学及编程导论课程节选

Yet, it's very easy to say to you that's not a good thing to do.

但是 也可以很轻易地说,那样做不怎么好

耶鲁公开课 - 古希腊历史简介课程节选

The Christian virtue of humility, turning the other cheek, forgiveness of sins, must be rejected if you want to do good as opposed to just being good.

基督教所提倡的谦逊美德，把另一半脸让人打,的宽恕隐忍精神，对罪孽的原宥，都必须被抵制,如果你想做得好而不仅仅是表面上显得好。

耶鲁公开课 - 政治哲学导论课程节选

We want to do good in the world; we want to spread happiness.

我们想为世人造福;,想传播快乐。

哈佛公开课 - 幸福课课程节选

That might not be a good thing to do.

这可不是一件好事

耶鲁公开课 - 生物医学工程探索课程节选

So if you were starving and you really needed energy, that is your body needed calories, it needed usable energy in order to survive, the broccoli's not going to do you much good and the brownie would be terrific.

假如你快饿死了,实在需要能量,那是你的身体需要卡路里,身体需要可利用的能量去支撑,花椰菜这时就没多大帮助了,布朗尼蛋糕才是首选

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Oftentimes, inventions that seem, in the abstract, to be good ideas may be impossible because something that you have to do to make it actually come into practice is too expensive and so it's not economic to produce the invention.

通常在理论上,创新固然不错,但却很难实现,因为把创意变成现实,花费会相当的昂贵,实现这样的创意非常不合算

耶鲁公开课 - 金融市场课程节选

There are coffee machines and there are lounge sofas and everything else. There are computers, there are printers, so it's a good lounge, and I think if you go there one day a week to do your problem sets, or more often, that's a good meeting place,I recommend that.

那里还有咖啡机和舒适的大沙发,以及一些其它设施,比如电脑,打印机,真的是个很好的休息室,如果你每周去那里,花一天时间完成你的作业,或者多去几次,确实是个好地方,我强力推荐

耶鲁公开课 - 基础物理课程节选

You have to have a good public transportation system when you have as many people here as we do.

如果你那儿和我们这儿的人一样多，你们得有一个良好的公共交通系统。

纽约的交通手段 - SpeakingMax英语口语达人