ask someone out
phrasal verb with ask verb uk/ɑːsk/ us/æsk/
（尤指为了开始与某人建立恋爱关系）请…外出（或吃饭、看电影等）
to invite someone to come with you to a place such as the cinema or a restaurant, especially as a way of starting a romantic relationship
She's asked Steve out to the cinema this evening. 她请了史蒂夫今晚出去看电影。
You should ask her out sometime. 你什么时候应该约她出来。