肉袒負(fù)荊　

◎ 肉袒負(fù)荊 ròutǎn-fùjīng

[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,背著荊條請(qǐng)罪,表示愿受責(zé)罰

廉頗聞之,肉袒負(fù)荊,因賓客至 藺相如門(mén)謝罪。——《史記·廉頗藺相如列傳》