丧心病狂 sàng xīn bìng kuáng

DEFINITIONS

  1. deranged
  2. demented
  3. berserk (idiom)

CHARACTERS

丧 sàng mourning; mourn; funeral
心 xīn heart; mind, intelligence; soul
病 bìng illness, sickness, disease
狂 kuáng insane, mad; violent; wild