go at

• • [口语]攻击；扑向；(以某种方式)对待(批评的对象)：

    They went at each other with their fists.

    他们用拳头互相殴打。

  • [口语]致力于；努力从事；刻苦钻研：

    They are going at their work.

    他们正致力于他们的工作。