adjective
BAD : The criminal rate among juveniles is still increasing.
GOOD : The crime rate among juveniles is still increasing.
BAD : What makes them choose a criminal life?
GOOD : What makes them choose a life of crime?
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'criminal activity', 'a criminal offence', 'a criminal record', 'criminal law', BUT 'crime prevention', 'the crime rate', 'crime statistics', 'a life of crime'