少年的英文是:juvenile。
例句:
1、她未被送上少年法庭,而是受到了警告。
She wasn't sent to the juvenile court; instead she was cautioned.
2、这名少年犯只被从轻处惩了一下。
This juvenile offender received no more than a judicial slap on the wrist.
3、一些儿童进入少年期会完全变成另一个人。
Some children undergo a complete transformation when they become teenagers.
4、这些街头少年团伙使得周围邻里谈之色变。
These street gangs have become the terror of the neighbourhood.
5、两个少年偷唱片时被保安录像机拍摄了下来。
Two young boys were filmed stealing CDs on the security video.