Como dizer "Arrastar asa para cima de alguém" em inglês

Make a pass at somebody
To act toward someone in a way that shows a sexual interest in them It seems as if those boys can't think of much more than fast cars and making passes at girls.
Ref. idioms.thefreedictionary

Hit on somebody (slang)
To clearly show that you are sexually attracted to someone Pete doesn't even realize half the time when girls are hitting on him.
Ref. idioms.thefreedictionary

Cheers!