juvie       
noun [ C or U ] US (also juvy) uk/ˈdʒuːvi/ us/ˈdʒuːvi/ (also juvie hall)
 少年犯管教所,少管所 (juvenile detention centre的简称)
short for juvenile detention centre: a type of prison for people who are not old enough to be considered as adults
  He spent the bulk of his adolescence in and out of juvie. 他的青少年时代大多花在进进出出少管所上了。 
 If I was caught, I'd be in juvie hall for a pretty long time.  假如我被抓住,就会在少管中心关好长一阵。 
 Synonym: detention centre
 - More examples
 - She herself had served time in juvie.
 - His mother worried that if she didn't do something soon, he'd end up in juvie.
 - When Aaliyah finally got out of juvy at 17, she made up her mind to never go back.