罪魁祸首 zuì kuí huò shǒu

DEFINITIONS

  1. criminal ringleader, main offender (idiom); main culprit
  2. fig. main cause of a disaster

CHARACTERS

罪 zuì
HSK 6
crime, sin, vice; evil; hardship
魁 kuí chief; leader; best; monstrous
祸 huò
HSK 6
misfortune, calamity, disaster
首 shǒu
HSK 4
head; first; leader, chief; a poem