"Live with someone" 或 "cohabit with someone" 意思是和某人住在一起。
这个短语来源于英语中的 "cohabit" 这个词，它的意思是共同居住。
例句：
I've decided to cohabit with my boyfriend. (我决定和我男友同居)
They've been pving together for five years. (他们已经同居了五年)
My parents don't approve of me cohabiting before marriage. (我父母不赞成我婚前同居)