Now, this looks like a very innocuous thing, but you will find out,it is the only thing that really gets my back up. Most of the time I don't really care.

我知道这也许比较令人难以接受,但是这是我唯一的小小的要求,大部分时候我还是很随和的

耶鲁公开课 - 基础物理课程节选

That's very,very hard to believe.

那的确令人难以接受。

耶鲁公开课 - 死亡课程节选