sweep sb off their feet 使（某人）为之倾倒，使（某人）彻底爱上
The first time he met her, he was completely swept off his feet.
His charming manner will usually sweep women off their feet.
My mom told me that prince charming would just come and sweep me off my feet.
Every time you do something like this, you just sweep me off my feet!
A: "Is Lucy still gushing about her new boyfriend?"
B: "Yeah, he must have really swept her off her feet."
Mary is madly in love with Bill. He swept her off her feet.