0 Old HSK word(s):
劳苦功高* *

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

劳 labor, toil, do manual work
苦 bitter / hardship, suffering
功 achievement, merit, good result
高 high, tall / lofty, elevated
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual