because he viewed his first responsibility was to make sure the country is as safe as possibly can be.

因为他认为自己的首要任务是,让国家尽可能地,处在安全之中。

普林斯顿公开课 - 国际座谈会课程节选

because it will give you an opportunity to say "I want to be sure that this is done, has been done"

因为用这个句型，你就能表达“我想确认这事会做到的，或者已经做到了。”

Make sure 课堂 - SpeakingMax英语口语达人

It decreases. If you're still not completely up on the periodic trends, that is stuff that's going to be on the first exam, so make sure that you're able to do this without taking too much time to think about it.

它会降低，如果你还没有完全掌握周期性规律，而这是第一次考试要求的内容，因此请务必做到不用,想太久就能做到这点。

麻省理工公开课 - 化学原理课程节选

And that's very nice, because this allows me to be sure that my FOR loop is going to terminate.

因为这让我确信我的FOR循环是会终止的,因为只要集合是有限的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now I think you may be rather happy to hear that this is the last time --I'm pretty sure that this is the last time - that we will have to discuss, at least at any length, Milton's worries about his unreadiness and his un-preparation.

你们可能会很高兴知道,这是我们最后一次-我对此非常确信,最后一次需要仔细的讨论，弥尔顿对他自身的犹疑和毫无准备的焦虑感。

耶鲁公开课 - 弥尔顿课程节选

I think you will find some combination, if you're sort of typical, but that combination doesn't ever have to be fifty-fifty, and I'm sure it very rarely is.

我认为如果你是典型西方人的话,你会发现它们之间的一些关联,但是它们的组合永远都不必是五五开,并且我确信五五开的情况是极少的

耶鲁公开课 - 古希腊历史简介课程节选

To be sure, Athenian democracy is not American democracy.

可以肯定的是，雅典式民主并非美式民主。

耶鲁公开课 - 政治哲学导论课程节选

And to make this more concrete, if a firm is competing against a competitor it can be pretty sure, that competitor is a pretty sophisticated game player and knows that the firm is itself.

再具体点说,如果一家公司在和它的竞争对手竞争,可以肯定其竞争对手一定很老练,这家公司当然也很老练啦

耶鲁公开课 - 博弈论课程节选

Weird things, bad things can happen and so one of the lessons too that will be repeated throughout the course is to actually rigorously error check and make sure that you're always thinking about your user being a bad guy.

各种古怪的事情就会蜂拥而至,所以在这个课程中我反复强调,要一丝不苟地检查错误,你就当你的用户是个调皮捣蛋的家伙。

哈佛公开课 - 计算机科学课程节选