fearlessness
  勇敢;不懼
  Fear·less, a. Free from fear.
  Syn: -- Bold; daring; courageous; intrepid; valorous; valiant; brave; undaunted; dauntless; heroic.
  -- Fear*less*ly, adv. -- Fear*less*ness, n.
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  fearlessness
       n 1: feeling no fear [syn: bravery] [ant: fear]
       2: the trait of feeling no fear [ant: fearfulness]