nemesis
n. <正式>给予惩罚的人；宿敌，死对头；报应，天罚
n. （Nemesis）涅墨西斯（复仇女神）
复数 nemeses
例句
The new mathematics test will become the nemesis of teachers.
新的数学测试将会是对老师们的严重惩罚。
《柯林斯英汉双解大词典》
Sun Microsystems gave up its legal fight with Microsoft and agreed to cooperate with its longtime nemesis.
太阳微系统放弃了和微软的官司，与这家自己竞争了多年的主要对手携手合作。
In 1938, the Cantabs suffered only one loss, and a first title, defeating former nemesis.
1938年，坎塔布斯队只输了一场，并且获得了第一个冠军，击败了前强硬对手。
