To persist in evil deeds without repenting; to be incorrigibly wicked; to be an unrepentant evildoer.
他多年来一直从事不道德的生意，而且稔恶不悛，最终受到了法律的制裁。
He had been involved in unethical business for many years and was incorrigibly wicked, eventually facing legal consequences.
Era:
Ancient
Frequency:
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