https://online2.tingclass.net/lesson/shi0529/0009/9907/271.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
pull one's hair out (焦虑得)抓狂
I am pulling my hair out for the exam.
考试让我抓狂。
My parents would pull their hair out, if I don't get home on time.
如果我不按时回家，我爸妈会非常担心的。
疯狂练习吧!
