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。