1. 把…狠揍一顿;痛打
    To work someone over means to beat them very violently.

    e.g. The gang worked me over.
           这伙小流氓把我痛打了一顿。

verb

1. give a beating to
    subject to a beating, either as a punishment or as an act of aggression

    e.g. Thugs beat him up when he walked down the street late at night
           The teacher used to beat the students

    Synonym: beatbeat up