Punishment and prison sentences cannot reform the hardened criminal.惩罚和狱刑都不能改造不知悔改的罪犯。Youngsters who dabble should not be treated in the same way as hardened criminal pushers.偶沾毒品的年轻人不应该和屡教不改的毒贩受到同等对待。Even the most hardened criminal would have been shocked by the brutality of the crime.纵然是最冷酷无情的罪犯也会对这起犯罪案件中的残暴行径感到震惊。