俚语：as white as a sheet/像纸一样白

　　定义：for one's face to become very pale or white due to a sudden illenss, fright or shock因突然的生病惊吓或震惊，脸色变得非常苍白

　　例句：Immediately after the car accident, Sheila's face turned as white as a sheet from goingsintosshock.汽车事件后，雪拉因受惊吓脸色变得好苍白。