这个成语比喻受人利用，为别人冒险，白白吃了苦头而得不到好处。出处是法国诗人让·德·拉·封丹的寓言诗《猴子和猫》。

This idiom refers to being used by others, taking risks for others, suffering in vain and getting no benefits. The source is the French poet Jean de la Fontaine's allegorical poem "The Monkey and the Cat".