as bald as a coot
非常秃头的人
口语·形容完全秃头
英文释义
completely bald
例句
After chemo, he became as bald as a coot.
典故来源
源自“coot”（白骨顶鸟）头部有一块白色裸皮，看起来像秃头，比喻完全秃顶。