0 Old HSK word(s):
不足为凭* *

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

不 no, not / un- / negative prefix
足 foot / attain, satisfy, enough
为 do, handle, govern, act / be
凭 lean on, depend on, rely on
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual