"I can understand that people who actually lived at that time, in the communist era, who were hurt by this system it might upset them to see young people who might have basically no knowledge about this system and didn't live in that, wearing the symbols they don't understand.

VOA: standard.2009.12.16

I mean we can, we can sort of understand why OK, the total energy, if we measure it, we measure a process which is not reversible.

例如我们易于理解为什么，当试图测量一个不可逆系统的总能量，给出的或许。

麻省理工公开课 - 热力学与动力学课程节选

And you can say, "Uum, I disagree." "It's important to understand each other."

然后说，“呃……我不同意。”“互相理解是很重要的。”

It's important 课堂 - SpeakingMax英语口语达人

That's really beyond what I'll be asking you understand for the course but you can understand that if you read it, I'm sure.

这些内容超过了,要求你们在课堂上要了解的内容,不过你可以在书中进一步理解

耶鲁公开课 - 生物医学工程探索课程节选

As you can see I don't understand it.

你看得出来我对此一窍不通

耶鲁公开课 - 古希腊历史简介课程节选