Definition
To deeply and severely hurt someone's feelings.
深刻刺痛，深刻刺伤
His friend's betrayal cut him to the quick.
他朋友的背叛深深地伤害了他。
Her criticism of his work cut him to the quick.
她对他工作的批评深深地伤害了他。
Her brother's comments about her appearance cut her to the quick.
她哥哥对她外貌的评论深深地伤害了她。