6 Old HSK word(s): ☊问题 ** A ☊题 ** B ☊难题 ** C ☊出难题 ** C ☊好说 ** D ☊攻关 ** D
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
攻 attack, assault / criticize
关 frontier pass / close / relation
Hsk Characters:
HSK -Characters and beyond:
5.1 Existenz, etwas wirklich Problematik + Problem + 问题 +
9.53 Schwierig Problem + Problem + 问题 +
13.2 Forschen Problemstellung + Problem + 问题 +