0 Old HSK word(s):
不足挂齿* *

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

不 no, not / un- / negative prefix
足 foot / attain, satisfy, enough
挂 hang, suspend / suspense
齿 teeth / gears, cogs / age / simplified form of the KangXi radical number 211
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual