你确定他们是合适的家庭吗？

Are you sure they'll be the right families?

youdao

提供资金之前，他们得确定你是风险小还是大的信贷对象。

Before providing the cash, they will have to decide whether you are a good or bad risk.

《柯林斯英汉双解大词典》

你得确定你是在把同类事物相比较。

You have to make sure you're comparing like with like.

《柯林斯英汉双解大词典》

There are so few words that you can be sure that they were chosen with care. You'll be looking at Genesis 22 closely in your section discussions.

几乎没有一个词你可以确定含义，它们的选定都是经过仔细,推敲的，你们将在讨论阶段更详细地看《创世纪》第22章。

耶鲁公开课 - 旧约导论课程节选

You feel physiologically aroused but you're not completely sure why, and you have to make up an explanation for it.

你感觉到性觉醒,但是不能确定是什么原因，你不得不给出一个解释。

耶鲁公开课 - 心理学导论课程节选

Of course, before doing so, he says, "you must call him first a tyrant."

当然，在叛乱或是弑君之前，你得确定你要诛杀的是一位暴君“

耶鲁公开课 - 政治哲学导论课程节选