0 Old HSK word(s):
痛改前非* *

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

痛 pain, ache / sorry, sad / bitter
改 change, alter / improve, remodel
前 in front, forward / preceding
非 not, negative, non- / oppose
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual