feud

宿怨、长期争斗、不和

The two families have been locked in a bitter feud for decades.

这两个家族数十年来一直深陷激烈的宿怨之中。

世仇、仇恨多指家族或部落间

A blood feud between the clans left the village divided.

两个宗族之间的世仇让整个村子分裂。

长期争斗、结怨、不和

The neighbors have been feuding with each other over a fence.

这两户邻居为了一道围篱长期互相争斗。