in·trep·id /ɪnˈtrɛpəd/
  (a.)無畏的,勇猛的,豪勇的
  In·trep·id a.  Not trembling or shaking with fear; fearless; bold; brave; undaunted; courageous; as, an intrepid soldier; intrepid spirit.
  Syn: -- Fearless; dauntless; resolute; brave; courageous; daring; valiant; heroic; doughty.
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  intrepid
       adj : invulnerable to fear or intimidation; "audacious explorers";
             "fearless reporters and photographers"; "intrepid
             pioneers" [syn: audacious, brave, dauntless, fearless,
              unfearing]