n. an opposing military force
n. an armed adversary (especially a member of an opposing military force)
n. any hostile group of people
n. 敌人, 仇敌, 敌军
a. 敌人的
1. The soldier faced his enemy with courage.
这名士兵勇敢地面对他的敌人。
2. It is important to know your enemy in order to defeat them.
了解你的敌人是战胜他们的重要前提。
3. They used to be friends, but now they are enemies.
他们曾是朋友，但现在却是敌人。