0 Old HSK word(s):
懂个屁* *

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

懂 understand, comprehend
个 numerary adjunct, piece / single
屁 break wind / fart / buttocks

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual