https://online2.tingclass.net/lesson/shi0529/0009/9907/340.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
brace yourself 打起精神，做好(思想)準(zhǔn)備
Brace yourself! We have a new challenge now!
打起精神來!我們有的挑戰(zhàn)了!
Brace yourself and I'll tell you about the truth.
做好準(zhǔn)備，我馬上告訴你事情的真相。
瘋狂練習(xí)吧!
