Strong measures should be taken against wrong doers.
非行、学校嫌い、人格の未発達などの問題が現在以上に顕在化してくることが懸念される。
We are concerned about the further actualization of current problems among youth, such as truancy, dislike of school and lack of appropriate character development.
彼は非行を繰り返した結果法廷に立たされた。
His repeated delinquencies brought him to court.
青少年の非行が急速に増加している。
Juvenile delinquency is on the increase at a rapid pace.