hit on 挑逗
hit on a girl/guy 撩妹，撩汉子
Dude, I think she's hitting on me!
chat up：to talk flirtatiously to (a person), esp. with the intention of seducing him or her 与(异性)搭讪
I'm gonna chat up the girl in the tight black skirt.
put a move on someone 对某人展开强烈追求
Are you trying to put the moves on that doctor?
talk to （亦作 talk up to）试着了解，对妹子献殷勤
1. PHRASAL VERB If someone hits on you, they speak or behave in a way that shows they want to have a sexual relationship with you. 挑逗
She was hitting on me and I was surprised and flattered.
2.PHRASAL VERB If you hit on an idea or a solution to a problem, or hit upon it, you think of it. 想出
After running through the numbers in every possible combination, we finally hit on a solution.