0 Old HSK word(s):
怙恶不悛* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

怙 rely on, presume on / persist in
恶 evil, wicked, bad, foul
不 no, not / un- / negative prefix
悛 repent, reform
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual