Definition
to start a sexual relationship with someone
与某人发生亲密关系；与某人上床
At the party, he got off with a stranger.
在派对上，他和一个陌生人发生了亲密关系。
She always wants to get off with her friends during holidays.
她总是想在假期期间和她的朋友发生亲密关系。
After meeting at the bar, they quickly got off with each other.
在酒吧见面后，他们很快就发生了亲密关系。