I hope you are sure of your facts.

我希望你能肯定你说的都是事实。

《牛津词典》

Make sure you have plenty of room to sit comfortably.

一定要找个宽敞地儿坐得舒服一点。

《牛津词典》

Make sure you are not out of pocket for your expenses.

你要确保别把日常开销的钱都花没了。

《柯林斯英汉双解大词典》

You know,the circulation, and the smell of your own panic, you know, when you're not sure what to do."

VOA: special.2010.07.26

OK, important -- if you are part of this group here think about it and make sure you understand that.

好的，这很重要，如果刚才你选了可逆过程,请好好想想并且保证已经理解了这个问题。

麻省理工公开课 - 热力学与动力学课程节选

No, I'm sure you'll get dangerous moments if you are going to go into war and all that kind of thing, but.

不，我相信如果你去战场，那时所有的事情都会很危险。

英国的军人 - SpeakingMax英语口语达人

This is what they want you to think and will result in the sure death of you and your men.

FORBES: What Are The Optimal Siege Tactics For Taking Magic Kingdom's Cinderella Castle?

And that is Ekmeleddin Ihsanoglu - I'm sure many of you are saying, who?

CENTERFORSECURITYPOLICY: Center For Security Policy

Now, I'm sure all of you have heard your fair share of critique of rap and hip-hop.

NPR: Roundtable: College Students Debate Pew Poll on Race