have at

• • 攻击，打击；着手对付：

    Have at you!

    (击剑时提醒对方)看剑!

    You'd have at him, let him know who you were.

    你得对付一下那小子，也好让他知道你的厉害。

  • 尝试，试一试：

    I don't know how difficult the task is, but I like to have at it.

    我不知道完成这项任务究竟有多大困难，但我还是要试一下。