祸首罪魁 huò shǒu zuì kuí

DEFINITIONS

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

CHARACTERS

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