https://online2.tingclass.net/lesson/shi0529/0009/9907/473.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
a flash in the pan 曇花一現(xiàn)
I hope he's not just a flash in the pan.
我希望他不只是曇花一現(xiàn)。
His first book was great, but he turned out to be a flash in the pan because his other books were terrible.
他寫的第一本書非常棒，但也只是曇花一現(xiàn)，因為其他的作品都很爛。
瘋狂練習(xí)吧!
