每日商务英语 第724期:死敌

nemesis ———— 死敌（名词）

英文释义
(noun) An unbeatable opponent that causes great harm or ruin.

例句
The terrible winter snowstorms were the invading army's nemesis, and after seeing thousands of his brave soldiers trapped and dying in the snow, the general called for a retreat.
冬天可怕的暴风雪是入侵军队的大敌。在看到他的数以千计的勇敢战士困在雪中死去后，这位将军下令撤退。