fall for someone
phrasal verb with fall verb uk/fɔːl/ us/fɑːl/ fell | fallen
informal
B2 对…倾心,迷恋…
to suddenly have strong romantic feelings about someone
She always falls for older men. 她总是爱上年纪比较大的男人。
He's fallen for her in a big way. 他完全被她迷住了。