/mæstər spaɪɪŋ/ – Phrase
Definition: sự theo dõi ngầm của chủ đối với những người làm thuê.
A more thorough explanation: “Master spying” refers to the act of overseeing or directing espionage activities, typically involving the gathering of secret or confidential information for a specific purpose. It may involve coordinating and managing a team of spies or intelligence operatives to carry out covert operations.
Example: The master spying on his employees was found to be in violation of privacy laws.