effrontery
effrontery[ɪˈfrʌnt(ə)ri]noun- [mass noun]insolent or impertinent behaviour
厚颜无耻的行为;放肆
one juror had the effrontery to challenge the coroner's decision.
一位陪审员竟无礼地对验尸官的结论提出质疑。
语源- late 17th cent.: from French effronterie, based on late Latin effrons, effront- 'shameless, barefaced', from ex- 'out' + frons 'forehead'
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