DICT.TW Dictionary Taiwan

 ya·hoo /ˈje(ˌ)hu, ˈjɑ-/
 人面獸心之人;粗鄙的人格列佛遊記中的人形獸

 ya·hoo n.
 1. One of a race of filthy brutes resembling men but subject to the Houyhnhnms in Swift's “Gulliver's Travels.”  See in the Dictionary of Noted Names in Fiction.
 2.  Hence, any brutish or vicious character.
 3.  A raw countryman; a lout; a greenhorn. [U. S.]
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 yahoo
      n 1: not very intelligent or interested in culture [syn: yokel,
            rube, hick, hayseed, bumpkin, chawbacon]
      2: one of a race of brutes resembling men but subject to the
         Houyhnhnms in a novel by Jonathan Swift