明崗暗哨 míng gǎng àn shào

both covert and undercover (officers) keeping watch (idiom)

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. both covert and undercover (officers) keeping watch (idiom)

Characters

Character Meaning
bright; (of meaning) clear; to understand
mound; policeman's beat
dark; hidden; secret
sentry; a whistle