/ʤeɪl-bɜːd/ – Noun
Definition: (Mỹ) 1. tù nhân đã mãn hạn;
2. cựu tù nhân, tội phạm thâm căn cố đế, tội phạm bất trị, kẻ phạm tội nhiều lần.
A more thorough explanation: “Jail-bird” is a colloquial term used to refer to a person who has been in jail or prison, typically implying that they have a history of criminal behavior.
Example: The defendant, a known jailbird, had a history of multiple convictions for theft and burglary.