明察秋毫 míng chá qiū háo

DEFINITIONS

  1. lit. seeing clearly the downy feathers of autumn (idiom, from Mencius)
  2. fig. perceptive of even the finest detail

CHARACTERS

明 míng bright, light, brilliant; clear
察 chá examine, investigate; notice
秋 qiū autumn, fall; year
毫 háo fine hair; measure of length