0 Old HSK word(s):
素昧平生* *

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

素 white (silk) / plain / vegetarian / formerly / normally
昧 obscure, dark / darken
平 flat, level, even / peaceful
生 life, living, lifetime / birth
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual