“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.
“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