You don't understand how weird this it. - We get it, we understand.

你不懂这有多不可思议。-我们明白，我们懂的。

This this guy he doesn't understand interstellar currency.

这人根本不懂星际货币。

He says he doesn't understand the rationale here.

他说，他不太明白这一事件的根本原理。

Number two is not understanding grammatical terms.

第二是不懂语法知识。

Will we ever truly understand black holes?

我们会真的了解黑洞吗?

And it was hard, you understand, hard.

真难过啊！

Instead, we usually want to be understood.

相反，我们通常希望被理解。

I hope you will understand. -I understand.

我希望你会理解 -我理解。

Perhaps it doesn't understand English, thought Alice.

" 也许它不懂英语，" 爱丽丝想。

I guarantee you will not understand either one.

我保证你都不会明白。

You say you " hear" us and that you understand the urgency.

你告诉我你在倾听，能体会到这事迫在眉睫。

Unless you study, you won't understand grammar.

除非你学习，否则你不会理解语法。

Well, they couldn't understand that at all.

他们并不是很理解我的做法。

But they didn't understand why it worked.

但他们并不知道这方法为何能生效。

'cause I don't understand any of this.

因为我完全听不懂。

So how is it that I understand sound?

那么我是怎样理解声的呢？

Captain Hernandez, we can't understand what he's saying.

赫尔南德斯船长，我们听不懂他在说什么。

The students can't understand what the teacher says.

学生听不明白教师说的.

That means, I can't understand or identify something.

意思是，我无法理解或识别某些东西。

Let me help you. What don't you understand?

我来帮你吧。你不理解什么？