1. 敌人;仇敌
    If someone is your enemy, they hate you or want to harm you.

2. 反对者
    If someone is your enemy, they are opposed to you and to what you think or do.

    e.g. The Government's political enemies were quick to pick up on this series of disasters.
           政府的政敌迅速借这一系列灾难向政府发难。

3. 敌军;敌国
    The enemy is an army or other force that is opposed to you in a war, or a country with which your country is at war.

enemy是什么意思

    e.g. The enemy were pursued for two miles...
           敌军被追击了两英里。
    e.g. He searched the skies for enemy bombers.
           他在空中搜寻敌军轰炸机。

4. 大敌;危害
    If one thing is the enemy of another thing, the second thing cannot happen or succeed because of the first thing.

    e.g. Reform, as we know, is the enemy of revolution.
           正如我们所知，改革是革命的大敌。