If you don't understand the answer to a question, ask the doctor to explain it again until you do understand.

如果你不明白一个问题的答案，就请医生再解释一遍，直到你明白为止。

youdao

I only have two lira. You do understand that, don't you?

我只有两个里拉，你真的明白吗？

youdao

We can still feel sorry for you, but since you don't understand us, live as you do understand.

我们仍然为你们感到难过，但是既然你们不能理解我们的生活方式，就照你们可以理解的那样过日子吧。

youdao

"Come on." she says. "You do not need to be a rocket scientist to understand this."

VOA: special.2010.06.27

And the final point I want to make today, and this is very, very important, so make sure that you do understand this.

而今天我要强调的最后一点，也是非常，非常重要的一点，因此请务必真正理解它。

麻省理工公开课 - 化学原理课程节选

I didn't expect it to do this. If you understand why it did what it did, you're half way there.

这样运行的啊，如果你能弄明白为什么,它这么运行，你已经完成了差不多一半了。

麻省理工公开课 - 计算机科学及编程导论课程节选

But I know you do understand it gives so many other women hope.

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