white as a sheet
惊慌、害怕、或病得面无血色的样子
口语·形容极度苍白
英文释义
extremely pale, usually due to fear, shock, or illness
例句
When she saw the accident, her face went white as a sheet.
典故来源
比喻脸色像白纸一样苍白，源于对恐惧、惊吓或疾病时肤色变化的直观描述。