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。