0 Old HSK word(s):
除不尽* *

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

除 eliminate, remove, except
不 no, not / un- / negative prefix
尽 exhaust, use up / deplete

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual