twist up

• • 使变形，扭弯；歪曲：

    The patient's face twisted up with pain.

    病人痛苦得脸都扭曲变形了。

  • 把(纸等)卷成螺旋形；揉某物：

    The man twisted the newspaper up into a ball and threw it away.

    那个人把报纸揉成团扔了。