单词：audacious 

形容词

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  [1.a.audacious] (同义词:[audacious( adj. 大胆的, 卤莽的, 大胆创新的 )]  [brave( adj. 勇敢的 )]  [dauntless( adj. 不屈不挠的, 大胆的 )]  [fearless( adj. 不怕的, 大胆的, 勇敢的, 无畏的 )]  [hardy( adj. 难的, 艰苦的，勇敢的 adv. 努力地, 辛苦地, 坚硬地 )]  [intrepid( adj. 无畏的, 勇猛的 )]  [unfearing(adj.大无畏的,不畏惧的 )]  )
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  注释列句：invulnerable to fear or intimidation; "audacious explorers"; "fearless reporters and photographers"; "intrepid pioneers"
• 近义词 -> [bold( adj. 大胆的 n. 粗体 )] 
  派生词 -> [audacity( n. 大胆, 厚颜 )]  [audaciousness] 
  
• 
  [2.a.audacious] (同义词:[audacious( adj. 大胆的, 卤莽的, 大胆创新的 )]  [barefaced( adj. 不隐瞒的, 公然的, 厚颜无耻的, 不戴面具的 )]  [bodacious( adj. 胆大包天的 )]  [bald-faced( adj. 脸白的, 脸上有白斑的, 无掩饰的, 赤裸裸的 )]  [brassy( adj. 象黄铜的, 厚脸皮的 n. 铜头高尔夫球棍 )]  [brazen( adj. 黄铜制的, 厚颜无耻的 )]  [brazen-faced]  [insolent( n. 侮慢无礼的人 adj. 傲慢的, 无礼的, 侮慢的 )]  )
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  注释列句：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; "bald-faced lies"; "brazen arrogance"; "the modern world with its quick material successes and insolent belief in the boundless possibilities of progress"- Bertrand Russell
• 近义词 -> [unashamed( adj. 不害羞的, 不知耻的, 厚脸无耻的, 问心无愧的 )] 
  派生词 -> [audacity( n. 大胆, 厚颜 )]  [audaciousness] 
  
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  [3.a.audacious] (同义词:[audacious( adj. 大胆的, 卤莽的, 大胆创新的 )]  [daring( adj. 大胆的 )]  [venturesome( adj. 冒险的, 冒危险的, 危险的 )]  [venturous( adj. 好冒险的, 大胆的 )]  )
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  注释列句：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"
• 近义词 -> [adventurous( adj. 喜欢冒险的, 敢做敢为的, 充满危险的 )] 
  派生词 -> [audacity( n. 大胆, 厚颜 )]  [audaciousness]