暗访

Traditional form:

暗訪

Pinyin (reading):

ànfǎng

Definitions:

• to make secret inquiries
• to investigate in secret

Characters:

• 暗 - dark, gloomy; obscure; secret, covert
• 访 - to visit; to inquire, to ask

Traditional characters:

• 暗 - dark, gloomy; obscure; secret, covert
• 訪 - to visit; to inquire, to ask