耳聪目明 ěr cōng mù míng

DEFINITIONS

  1. sharp ears and keen eyes (idiom)
  2. keen and alert
  3. perceptive

CHARACTERS

耳 ěr ear; merely, only; handle
聪 cōng intelligent, clever, bright
目 mù eye; look, see; division, topic
明 míng bright, light, brilliant; clear