https://online2.tingclass.net/lesson/shi0529/0009/9215/p/2.mp3
https://image.tingclass.net/statics/js/2012
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。
