1. convict /kən'vɪkt/]
e.g. The convicts were deported to a deserted island.
雅思听力例句：These workers were mainly prison convicts until the middle of that century when ordinary families willing to live in such circumstances took over.
v. convict 给…定罪;宣判…有罪
搭配：be convicted of
e.g. He was convicted of felony.
e.g. He has twice been convicted of robbery/arson.
2. petty /ˈpeti/
搭配：petty crime 轻微罪行
e.g. We have also seen an increase in petty crimes such as shoplifting.
e.g. Petty crime was rampant: up to 300 cases a year, with neighboring villages terrorized.
3. rehabilitate /riːhə'bɪlɪteɪt/
e.g. The program is intended to rehabilitate criminals.
e.g. Jails are actually supposed to rehabilitate a person, not cause him or her to become more angry, frustrated, and feel more hopeless.
e.g. The program is designed to help former gang members who are trying to reform.
n. rehabilitate /'ri:hə,bili'teiʃən/
e.g. The better cure for young criminals is rehabilitation. Throughout education and training, the youth can realize their wrongful actions and be given opportunities to turn over a new leaf and transform themselves into useful members of society later in life.
补充：turn over a new leaf 洗心革面;重新做人
4. delinquency /dɪ'lɪŋkw(ə)nsɪ/
搭配：juvenile delinquency 青少年犯罪
e.g. Parents with necessary parenting techniques is the most effective way to cope with increasing rates of juvenile delinquency.
e.g. We can curb juvenile delinquency by education.
juvenile delinquent 少年犯
delinquent adj. 犯罪的; 不良的
e.g. Most delinquent children have deprived backgrounds.