1. Therefore the jungles and the savannahs know of no ´juvenile delinquency´.
    因此，丛林和荒凉地区不知道什么叫"青少年犯罪"。

2. I´m afraid he´ll ultimately become a juvenile delinquent.
    我恐怕他最终会成为一名青少年罪犯.

3. I´m afraid he´ll ultimately become a juvenile delinquent.
    我恐怕他最终会成为一名青少年罪犯.