au·da·cious /ɔˈdeʃəs/
 (a.)大膽的,無禮的,無恥的


 Au·da·cious a.
 1. Daring; spirited; adventurous.
 As in a cloudy chair, ascending rides
 Audacious.   --Milton.
 2. Contemning the restraints of law, religion, or decorum; bold in wickedness; presumptuous; impudent; insolent. “ Audacious traitor.” --Shak.  “ Such audacious neighborhood.”
 3. Committed with, or proceedings from, daring effrontery or contempt of law, morality, or decorum. “Audacious cruelty.” “Audacious prate.”

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 audacious
      adj 1: invulnerable to fear or intimidation; "audacious explorers";
             "fearless reporters and photographers"; "intrepid
             pioneers" [syn: brave, dauntless, fearless, intrepid,
              unfearing]
      2: unrestrained by convention or propriety; "an audacious trick
         to pull"; "a barefaced hypocrite"; "the most bodacious
         display of tourism this side of Anaheim"- Los Angeles
         Times; "bold-faced lies"; "brazen arrogance"; "the modern
         world with its quick material successes and insolent
         belief in the boundless possibilities of progress"-
         Bertrand Russell [syn: barefaced, bodacious, bold-faced,
          brassy, brazen, brazen-faced, insolent]
      3: disposed to venture or take risks; "audacious visions of the
         total conquest of space"; "an audacious interpretation of
         two Jacobean dramas"; "the most daring of contemporary
         fiction writers"; "a venturesome investor"; "a venturous
         spirit" [syn: daring, venturesome, venturous]