0 Old HSK word(s):
改天换地* *

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

改 change, alter / improve, remodel
天 sky, heaven / god, celestial
换 change
地 earth / soil, ground / region
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual