暗察明访 àn chá míng fǎng

DEFINITIONS

  1. open enquiries and secret search (idiom); to investigate openly and in secret
  2. taking information from all sides

CHARACTERS

暗 àn dark; obscure; in secret, covert
察 chá examine, investigate; notice
明 míng bright, light, brilliant; clear
访 fǎng visit; ask, inquire