资料来源 : pyDict

牛头犬;顽固的人

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Bulldog \Bull"dog`\, n.
   1. (Zo["o]l.) A variety of dog, of remarkable ferocity,
      courage, and tenacity of grip; -- so named, probably, from
      being formerly employed in baiting bulls.

   2. (Metal.) A refractory material used as a furnace lining,
      obtained by calcining the cinder or slag from the puddling
      furnace of a rolling mill.

Bulldog \Bull"dog`\, a.
   Characteristic of, or like, a bulldog; stubborn; as, bulldog
   courage; bulldog tenacity.

   {Bulldog bat} (Zo'94l.), a bat of the genus {Nyctinomus}; --
      so called from the shape of its face.

资料来源 : WordNet®

bulldog
     adj : stubbornly unyielding; "dogged persistence"; "dour
           determination"; "the most vocal and pertinacious of all
           the critics"; "a mind not gifted to discover truth but
           tenacious to hold it"- T.S.Eliot; "men tenacious of
           opinion" [syn: {dogged}, {dour}, {pertinacious}, {tenacious},
            {unyielding}]
     [also: {bulldogging}]

bulldog
     n : a sturdy thickset short-haired breed with a large head and
         strong undershot lower jaw; developed originally in
         England for bull baiting [syn: {English bulldog}]
     v 1: attack viciously and ferociously
     2: throw a steer by seizing the horns and twisting the neck, as
        in a rodeo
     [also: {bulldogging}]