1. be one's own enemy : 害自己;
名词
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.
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.
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.
1. any hostile group of people
e.g. he viewed lawyers as the real enemy
2. an opposing military force
e.g. the enemy attacked at dawn
3. an armed adversary (especially a member of an opposing military force)
e.g. a soldier must be prepared to kill his enemies
Synonym: foefoemanopposition
4. a personal enemy
e.g. they had been political foes for years
Synonym: foe