賊頭賊腦 zéi tóu zéi nǎo

DEFINITIONS

  1. lit. to behave like a thief
  2. furtive
  3. underhand

CHARACTERS

賊 zéi thief, traitor
頭 tóu head; top; chief, first; boss
賊 zéi thief, traitor
腦 nǎo brain