pugnacious

那个好斗的男孩总是因为小事和同学争吵。

The ___pugnacious boy always argues with classmates over trivial matters.

那位好斗的辩护律师对几乎每一件证据都提出了质疑，语气中带着几乎不加掩饰的敌意。

The ___pugnacious defense attorney challenged nearly every piece of evidence, her voice rising with barely concealed hostility.

一只好斗的小猎犬猛扑狂吠冲向体型巨大的大丹犬，而后者只是打了个哈欠冷漠地看向别处。

A ___pugnacious little terrier lunged and snarled at the enormous Great Dane, who merely yawned and looked away with profound disinterest.