to knock somebody off one's feet
01
使某人大为惊讶, 给人留下深刻印象
to surprise or impress someone greatly
习语
例子
Her performance completely knocked me off my feet.
她的表演让我大为震撼。
02
打得措手不及, 一下子击垮
to overwhelm or defeat someone completely and unexpectedly
习语
例子
The underdog knocked the champion off his feet in the first round.
那位不被看好的选手在第一回合就把冠军打得措手不及。



























