https://online2.tingclass.net/lesson/shi0529/0009/9907/558.mp3
https://image.tingclass.net/statics/js/2012
讲解文本：
roll the dice 掷骰子，引申为孤注一掷，放手一搏
Maybe it's time to roll the dice.
也许到了该放手一搏的时候了。
Just roll the dice. We don't have enough time.
试一试吧，我们没时间了。
疯狂练习吧!
