0 Old HSK word(s):
* *


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

necessary, essential / necessity
take leave of, bid farewell


Hsk Characters:

HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Schlüssel (S) [yao4 jue2] 要诀