/ˈɡæŋstər əˈfɛns/ – Phrase
Definition: hành vi phạm tội của băng đảng gangster.
A more thorough explanation: A gangster offense refers to a criminal act committed by a member of a gang or organized crime group. This term is often used to describe serious crimes such as drug trafficking, extortion, racketeering, and violent activities carried out by individuals associated with criminal organizations.
Example: The gangster was charged with multiple offences, including drug trafficking and extortion.