脱口说英语口语生活习语

P-2：parade one's knowledge 卖弄学问

A:Mark is parading his knowledge again.
A:马克又在卖弄学问了。

B:Yeah! He's very good at showing off his knowledge.
B：是啊，他总是善于炫耀。

A:A well-learned person never does that.
A:真正有学问的人从不那样做。