https://online2.tingclass.net/lesson/shi0529/0009/9907/142.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
have a weakness for 特别爱好，偏爱，对...毫无抵抗力
I have a weakness for your son.
我对你儿子毫无抵抗力。
Oh! You have a weakness for sweets, too!
哦!原来你也挡不住甜食的魅力!
疯狂练习吧!
