0 Old HSK word(s):
黑不溜秋* *

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

黑 black / dark / evil, sinister
不 no, not / un- / negative prefix
溜 slide, glide, slip / slippery
秋 autumn, fall / year
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual