0 Old HSK word(s):
不费吹灰之力* *

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

不 no, not / un- / negative prefix
费 expenses, expenditures, fee
吹 blow / puff / brag, boast
灰 ashes / dust / lime, mortar
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual