“if you don't want others to know about it ,don't do it.

“if you don't want others to know about it ,don't do it.

直译：如果你不想别人知道这件事,就不要去做
或：若要人不知,除非己莫为

若要人不知，除非己莫为

如果你不想别人知道这件事，就不要去做