coup de grâce

剑桥词典

an action that ends something that has been gradually getting worse , or that kills a person or animal in order to end their suffering
致命一擊；（爲免除人或動物的痛苦而給予的）慈悲一擊
Jane's affair was the coup de grâce to her disintegrating marriage . 簡的婚外情終結了她本已破碎的婚姻。 返回 coup de grâce