slip up

• • 滑跤：

    to slip up the step

    在楼梯上滑了一跤

  • [口语]出错，犯错；失败：

    It must have slipped up badly.

    一定是出了大错。

  • 耍滑头，玩花样：

    Don't slip up to me!

    跟我别玩花样。