mess around with (also 又作 mess about withBrE 【英】) phr v [T] informal 【非正式】 1 [ mess around with sth] to play with something or make small changes to it; TINKER 瞎摆弄: Who's been messing around with my camera? 谁一直在摆弄我的照相机? 2 [ mess around with sb] to have a sexual relationship with someone, especially someone who is involved in another relationship 与…乱搞男女关系,勾搭