He says people laugh at others for many different reasons.

VOA: special.2009.11.17

You can laugh for things you are not so sure with.

你不确定的事情就可以一笑置之。

普林斯顿公开课 - 人性课程节选

Wow, John, I got a laugh for a political joke, I'm in big trouble. That better?

噢，John，我讲了个政治笑话大家都笑了，我有麻烦了，这样好些么？

麻省理工公开课 - 计算机科学及编程导论课程节选

He says he will laugh at any politician, journalist or other person who condemns him for those operations or calls him a terrorist.

VOA: standard.2010.04.01