pugnacious

形容词 pugnacious:

1. tough and callous by virtue of experience
   同义词：hard-bitten, hard-boiled
2. ready and able to resort to force or violence
   同义词：rough

1. A pugnacious, unyielding, or determined person.
   好斗者好斗的、不屈服的或有毅力的人

pug.na.cious

adj.（形容词）
Combative in nature; belligerent.See Synonyms at belligerent
好战的：本性好斗的；交战的参见 belligerent

来源：
From Latin pugn3x pugn3c-
源自 拉丁语 pugn3x pugn3c-
from pugn3re [to fight]
源自 pugn3re [打架]
from pugnus [fist] * see peuk-
源自 pugnus [拳头] *参见 peuk-

【引伸】
pugna.ciously
adv.（副词）
pugna.ciousness 或
pugnac.ity