"The sight of a mass murderer getting a hero's welcome in Tripoli is deeply upsetting, deeply distressing, above all for the 270 families who grieve every day for the loss of their loved ones 21 years ago.

VOA: standard.2009.08.21

There's nothing upsetting or improper about the language of the soul, even on the physicalist point of view.

谈论灵魂并不是什么令人沮丧或不得体的事情,即使是从物理主义的角度来看

耶鲁公开课 - 死亡课程节选

So, remember this makes sense if you just think of it as a wave and forget the particle part of it for right now, because that would be very upsetting to think about and that's not, in fact, what's going on, we're talking about quantum mechanics here.

记住如果你们把它看做是一个波,而忘记它是一个粒子时，这就是可以理解的了，因为如果把它看做,一个粒子就行不通了，实际上也不是这样的，这里我们是以量子力学的角度来考虑问题。

麻省理工公开课 - 化学原理课程节选

Upsetting the social order.

颠覆社会秩序

耶鲁公开课 - 美国内战与重建课程节选