在網上穀歌到了幾個翻譯，好像都還行，不過都是意譯。

The key to one's success is also one's undoing

Either success or failure boils down to the same person.

A situation where one's success and failure are both due to the same factor.

所有跟帖： 

• 歡迎姬文伽來美壇玩！這裏有句英文諺語：The same knife cuts bread and fingers. -beautifulwind- ♀ (0 bytes) () 10/11/2021 postreply 18:16:35

• They'd all work well. Thank you! -ibelieu- ♀ (0 bytes) () 10/11/2021 postreply 18:17:51