go off with sth / sb informal1. to leave your usual sexual partner in order to have a relationship with someone else〔抛弃配偶〕移情别恋于…:•She's gone off with her husband's best friend.她和丈夫最好的朋友好上了。2. to take something away from a place without having permission私自拿走:•Who's gone off with my pen?谁拿走了我的钢笔? |