0 Old HSK word(s):
那工夫* *

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

那 that, that one, those
工 labor, work / worker, laborer
夫 man, male adult, husband / those

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual