has a crush on you
Yukiko war in dich verknallt, richtig?
Yukiko had a crush on you, right?
— Battle Royale (2000)
Zu dem, der in dich verknallt ist?
To the one who has a crush on you?
— Christiane F. (1981)
Weil er in dich verknallt ist.
Because he has a crush on you.
Maria ist in dich verknallt.
Maria has a crush on you.
Tom ist total in dich verknallt.
Tom has a huge crush on you.