mask with

• • 用(面罩)遮住(眼或脸的其他部分)：

    Doctors working in an operating theatre have to mask their noses and mouths with a specially clean cloth.

    在手术室工作的医生必须用特制的消毒口罩蒙住口鼻。

    The thief masked his face with a stocking.

    那贼用一只长统袜蒙住脸。

  • 用…掩盖(情感、意图等)；用(另一味道)掩盖(某味道)：

    The cook masked the taste of the bad meat with onions.

    厨师用洋葱压住臭肉的味道。

    She masked her sufferings with a cheerful smile.

    她用欢快的笑容掩盖了内心的痛苦。