n. a personal enemy
n. 仇敌, 反对者, 敌人, 对手
1. The hero faced his greatest foe in the final battle.
英雄在最后的战斗中面对了他最大的敌人。
2. She realized that her former friend had become a foe.
她意识到她的前朋友已经变成了敌人。
3. In sports, your foe can also be a source of motivation.
在运动中，你的对手也可以成为动力的来源。