Liǎng guó zhījiān de díduì guānxì chíxù le hěnduō nián.
The hostile relationship between the two countries lasted many years.
Tips
usage
敌对 describes mutual hostility between groups or nations. Common collocations: 敌对势力 (hostile forces), 敌对关系 (hostile relationship), 敌对情绪 (hostile sentiment).