/ˈpraɪvət dɪˈtɛktɪv/ – Phrase
Definition: thám tử tư.
A more throughout explanation: A private detective, also known as a private investigator, is an individual who is hired to conduct investigations, gather information, and perform surveillance activities for private clients or organizations. Private detectives may be licensed professionals who work independently or as part of a private investigation agency. Their work typically involves gathering evidence for civil or criminal cases, locating missing persons, conducting background checks, and providing security services.
Example: The private detective was hired to conduct surveillance on the suspect.