趁火打劫 chèn huǒ dǎ jié

DEFINITIONS

  1. to loot a burning house
  2. to profit from sb's misfortune (idiom)

CHARACTERS

趁 chèn take advantage of, avail oneself
火 huǒ fire, flame; burn; anger, rage
打 dǎ strike, hit, beat; fight; attack
劫 jié take by force, coerce; disaster