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肉袒：光着身子；负荆：背负荆条。赤裸上身，背着荆条请罪，愿受责罚。
[strip off the upper garment as a token of sincere apology——ready to submit to any punishment the other party may want to give] 赤裸上身,背着荆条请罪,表示愿受责罚 廉颇闻之,肉袒负荆,因宾客至 蔺相如门谢罪。——《史记·廉颇蔺相如列传》
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