clinch·er /ˈklɪnʧɚ/
 敲彎釘頭的用具,緊鉗,夾子


 Clinch·er n.
 1. One who, or that which, clinches; that which holds fast.
 2. That which ends a dispute or controversy; a decisive argument.

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 clincher
      n 1: an argument that is conclusive [syn: determiner, {determining
           factor]
      2: a point or fact or remark that settles something
         conclusively [syn: decisive factor]
      3: a tool used to clinch nails or bolts or rivets