mess about with

• • 搞乱；弄糟：

    Who's been messing about with my papers? They're all out of order.

    谁在乱动我的文件?全给搞得乱糟糟的。

  • [口语]乱搞男女关系；与(某人)有不正当关系：

    Don't mess about with married women,it's unlawful.

    不要和有夫之妇乱搞男女关系，这样做是违法的。