https://online2.tingclass.net/lesson/shi0529/0009/9907/99.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
play dumb 裝傻，裝聾作啞
dumb 啞的，不能說話的，笨的
Don't play dumb with me, I know you ate the last piece of cake.
別裝傻了，我知道是你吃了最后一塊蛋糕。
He says he doesn't know it at all, but I know he's just playing dumb.
他說他完全不知道這件事，我知道他只是在裝聾作啞。
瘋狂練習(xí)吧!
