0 Old HSK word(s):
研习* *

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

研 grind, rub / study, research
习 practice / flapping wings

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




althergebracht (Adj) [yan2 xi2 yi3 jiu3] 研习已久