commit crime[犯罪] - [补充]crime prevention[预防犯罪]，

　　petty crime[轻微犯罪]，

　　crack down crime[打击];

　　criminal[罪犯]/criminal minds/motivation/record[犯罪心理/动机/记录];

　　juvenile delinquency[青少年犯罪]/youth crime

　　- eg: prevention of juvenile delinquency