gear up

• • (齿轮、车辆等)增速，换成高速挡：

    The driven part should be geared up.

    从动齿轮的速度应该提高。

  • 提高效率，添置(机械设备等)：

    The directors decided to gear the factory up for increased production,by bringing in new machine.

    厂长们决定购置新机器来增加生产。

  • 使(某人、某物)作好(行动)准备：

    Are the players geared up for the game?

    运动员作好比赛准备了吗?