juvenile delinquency的意思是什么

造句：

1. In recent years, juvenile delinquency has become a serious social problem.

   近年来，青少年犯罪成为一个严重的社会问题。

2. I believe that crime can be reduced with proper guidance and good breeding.

   我相信在正确引导和良好教养下，犯罪可以减少。

3. The problem of juvenile delinquency needs our serious thinking.

   青少年犯罪问题，需要我们的认真思考。