blud·geon /ˈblʌʤən/
  大頭棒
  Bludg·eon n.  A short stick, with one end loaded, or thicker and heavier that the other, used as an offensive weapon.
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  bludgeon
       n : a club used as a weapon
       v 1: overcome or coerce as if by using a heavy club; "The teacher
            bludgeoned the students into learning the math formulas"
       2: strike with a club or a bludgeon [syn: club]