pug·na·cious /ˌpʌgˈneʃəs/
  (a.)好鬥的
  Pug·na·cious a.  Disposed to fight; inclined to fighting; quarrelsome; fighting. --Pug*na*cious*ly, adv. -- Pug*na*cious*ness, n.
  ◄ ►
  pugnacious
       adj 1: tough and callous by virtue of experience [syn: hard-bitten,
               hard-boiled]
       2: ready and able to resort to force or violence; "pugnacious
          spirits...lamented that there was so little prospect of an
          exhilarating disturbance"- Herman Melville; "they were
          rough and determined fighting men" [syn: rough]