hook up
phrasal verb with hook verb uk/hʊk/ us/hʊk/
informal与(他人)接触,与(他人)一起工作
to meet or begin to work with another person or other people
He hooked up with the other members of the band in Amsterdam. 他在阿姆斯特丹结识了乐队的其他成员。
informal与(某人)开始一段恋爱(或性)关系
to begin a romantic or sexual relationship with someone
When did you two first hook up? 你们俩是什么时候开始在一起的?