0 Old HSK word(s):
大扫除* *

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

大 big, great, vast, large, high
扫 sweep, clear away / exterminate
除 eliminate, remove, except

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual