put the boot in
惡意攻擊或批評(píng)
口語·表達(dá)落井下石
英文釋義
to physically or verbally attack someone when they are already in a vulnerable or weakened state
例句
He was already down, and she put the boot in with harsh words.
典故來源
源自足球或打架中踢倒地的對(duì)手，比喻趁人弱勢(shì)時(shí)攻擊。