/ˈhɑːrdənd əˈfɛndər/ – Phrase
Definition: tội phạm cứng đầu, tội phạm bất trị.
A more throughout explanation: A “hardened offender” is a term used in legal contexts to refer to a person who has a history of committing serious or repeated criminal offenses and who shows little or no inclination to reform or change their behavior despite previous interventions or punishments. This term is often used in sentencing and criminal justice proceedings to describe individuals who are considered to be habitual or incorrigible criminals.
Example: The judge sentenced the hardened offender to life in prison for his repeated violent crimes.