https://online2.tingclass.net/lesson/shi0529/0009/9907/248.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
push one's luck 得寸進尺，貪心，冒越來越大的風(fēng)險
It's already very good, don’t push your luck!
已經(jīng)很不錯了，別太貪心了!
You better stop, you are pushing your luck.
最好趕快停止，你這是在得寸進尺啊!
瘋狂練習(xí)吧!
