https://online2.tingclass.net/lesson/shi0529/0009/9907/146.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
brag 吹牛，自夸，夸口
Don't brag about what you're going to do. Do something first.
先別吹你要做什么，做出點(diǎn)事情來(lái)。
He often brags about how well he plays football.
他常常自夸他足球踢得如何如何好。
瘋狂練習(xí)吧!
