明察暗访 míng chá àn fǎng

DEFINITIONS

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

CHARACTERS

明 míng
HSK 1
bright, light, brilliant; clear
察 chá
HSK 4
examine, investigate; notice
暗 àn
HSK 5
dark; obscure; in secret, covert
访 fǎng
HSK 5
visit; ask, inquire