the willingness to take bold risks
无畏;大胆
-
he whistled at the sheer audacity of the plan .听到这个大胆的计划他吹了一声口哨。
rude or disrespectful behaviour; impudence
放肆;胆大妄为
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she had the audacity to suggest I'd been carrying on with him .她竟敢暗示我跟他关系暧昧。
"late Middle English: from medieval Latin