hostilities
n. 战争;[心理]敌意(hostility 的复数)
例句
When hostilities broke out he joined up.
战争爆发后,他参了军。
《柯林斯英汉双解大词典》
He would not agree to a cessation of hostilities.
他不会同意敌对状态的停止。
All the old hostilities resurfaced when they met again.
他们再次碰面时,过去的种种敌意又都冒了出来。
《牛津词典》