be swept off someone's feet表示彻底爱上，爱得神魂颠倒，对某人完全倾心

【例句】
Dick was so crazy about Jane that he threw himself at her feet. Jane was swept off her feet and they're getting married next Tuesday.
迪克实在是爱简，他完全拜倒在她的石榴裙下。这一下使得简感到飘飘然，不由自主了。他们竟然决定下星期二就结婚。 　

I am completely swept off my feet by his glamour. 　　
我已经完全被他的魅力所折服了。