0 Old HSK word(s):
关口* *

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

关 frontier pass / close / relation
口 mouth / open end / entrance, gate

Hsk Characters:
HSK -Characters and beyond:
from: Universala Vortaro, Zamenhof









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Gebirgspass (S, Geol)Pass (S, Geol) [guan1 kou3] 关口