引蛇出洞 yǐn shé chū dòng

DEFINITIONS

  1. lit. to pull a snake from its hole
  2. to expose a malefactor (idiom)

CHARACTERS

引 yǐn to pull, draw out, attract; to stretch
蛇 shé snake
出 chū go out, send out; stand; produce
洞 dòng cave, grotto; ravine; hole