So, it's perfectly okay to be part of a collaboration, but you've got to make sure that you're pulling your weight.

所以,参与小组讨论是完全允许的,但你要保证你在其中有所作为

耶鲁公开课 - 基础物理课程节选

to make sure that it's going to be a comfortable pair of shoes that last me a long time.

来保证这双鞋很舒服而且可以穿很久。

不需要名牌 - SpeakingMax英语口语达人

One thing I forgot is if any of you has a cellphone be sure put that number down.

我忘了一件事，如果你们谁有手机,记得把手机号码写下来。

麻省理工公开课 - 电影哲学课程节选

And, one thing I'd like to add to it, and that is, and I told this to my recitation sections that when you do these quizzes, in spite of the fact that it might be trivial in some cases, make sure you carry the units through.

而我要在这基础上再加一条，我在我的背诵课上也讲过,当你考试时，尽管单位不重要，但我希望你能注意它们。

麻省理工公开课 - 固态化学导论课程节选

> Yes. Be sure that's one of two of us have seen this movie.

>，是的，肯定你们其中有人看过这部电影。

哈佛公开课 - 计算机科学课程节选

People are already shaking their heads over me and any immediate God further professional use on my part of the word "God" except as a familiar, healthy American expletive will be taken or rather confirmed as the very worst kind of name dropping and a sure sign that I'm going straight to the dogs.

人们经常对我表示不同意，以及对,我一用那个字“,除非作为熟悉的健康的美式感叹词或咒骂词时,它们会被认为是最差的名字,也肯定是我向那些狗前进的标志。

耶鲁公开课 - 1945年后的美国小说课程节选

Such men have no other rule, but that of force and violence," listen to this, "So may be treated as beasts of prey those dangerous and noxious creatures that will be sure to destroy to you " if you fall into their power", so kill them first.

这种人除强力和暴力的法则之外，没有其他法则“,注意这里，“因此可以被当作猛兽，危险和有害的动物看待,要落在它们的爪牙之内,就一定会遭到毁灭，所以先下手为强。

耶鲁公开课 - 公正课程节选

And the guys said, "Well, you know, The rooster works very hard " The rooster has sex dozens of times a day" " And she said, "Well, be sure to tell that to the president" The story goes, the president went around, the guy tells the story to the president The president asks the man, "Huh Has sex dozens of times each day ?" Same hen every time?"

那人回答说，“那只公鸡很卖力的,每天交配好几十次“,她就说“确保把这告诉总统“,然后总统走过来，那人也跟总统说了这事,总统问他,“每天交配几十次,是和同一只母鸡吗“

耶鲁公开课 - 心理学导论课程节选

The first thing I want to be sure was all students understand about the mechanics of the course and the best way to learn about that was to read very carefully the paragraphs at the bottom.

首先我想确认,大家都能明白这门课的授课形式,大家最好都去仔细阅读,刚发下去的课程大纲,请看这一页的底部。

麻省理工公开课 - 电影哲学课程节选