/ˈsɪriəs dɪˈlɪŋkwənt/ – Phrase
Definition: người có hành vi phạm pháp nghiêm trọng.
A more thorough explanation: A serious delinquent refers to an individual, typically a minor, who has committed a significant or severe violation of the law, often involving serious criminal offenses. This term is commonly used in the context of juvenile justice to describe young offenders who have engaged in serious criminal behavior.
Example: The judge sentenced the serious delinquent to six months in a juvenile detention center for repeated offenses.