a flash in the pan 昙花一现

　　I hope he's not just a flash in the pan.

　　我希望他不只是昙花一现。

　　His first book was great, but he turned out to be a flash in the pan because his other books were terrible.

　　他写的第一本书非常棒，但也只是昙花一现，因为其他的作品都很烂。

　　疯狂练习吧！