play possum
装死或装病，尤其是为了逃避困境或危险
口语·装死或装病逃避
英文释义
to pretend to be asleep or dead in order to deceive or avoid danger
例句
The dog played possum until the bigger dog walked away.
典故来源
源自北美负鼠（possum）的习性，遇到危险时会装死以迷惑捕食者。