And I'm going to pose what sounds like a philosophy question, which is, "What is knowledge?"

我将提出一个,听着很有哲理的问题：,“知识是什么？

麻省理工公开课 - 计算机科学及编程导论课程节选

show him that you're listening and move on to the next subject.

向他表示你听着，然后将话题转移到另一个事情上。

It sounds like 课堂 - SpeakingMax英语口语达人