prow·ess /ˈpraʊəs ||ˈpro-/
  英勇,勇敢,超凡技術
  Prow·ess n.  Distinguished bravery; valor; especially, military bravery and skill; gallantry; intrepidity; fearlessness.
     He by his prowess conquered all France.   --Shak.
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  prowess
       n : a superior skill that you can learn by study and practice
           and observation; "the art of conversation"; "it's quite
           an art" [syn: art, artistry]