hook up with
US /hʊk ʌp wɪð/
UK /hʊk ʌp wɪð/

1.
勾搭上, 搭讪
to meet or form a relationship with someone, often for a casual sexual encounter
:
•
He tried to hook up with her at the party.
他想在派对上和她搭讪。
•
They hooked up with each other after the concert.
演唱会结束后,他们勾搭上了。