Can you tell me whodunit ?

能告诉我是谁干的了吗?

It is not the most promising script for a whodunit .

这并不是最有市场前景的侦探小说剧本。

Asking people to guess whodunit ?

叫人们去猜是谁干的?

Courage is not peeking at the last pages of your whodunit book to find out who did it .

勇气，是看侦探小说时，不先翻到后面几页，偷看一下凶手是谁。

Courage is not peeking at the last pages of your whodunit book to find out who do it .

勇气，是读侦探小说时不先翻到最后几页，偷看“到底是谁干的”。