22 Old HSK word(s):

☊困难 ** A

☊难 ** A

☊难看 ** B

☊难受 ** B

☊难道 ** B

☊难过 ** B

☊难题 ** C

☊难以 ** C

☊灾难 ** C

☊艰难 ** C

☊出难题 ** C

☊为难 ** C

☊难得 ** C

☊难怪 ** C

☊难堪 ** D

☊难免 ** D

☊难 ** D

☊难民 ** D

☊疑难 ** D

☊苦难 ** D

☊难度 ** D

☊难关 ** D

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

难 difficult, arduous, hard / unable

关 frontier pass / close / relation

Hsk Characters: 难 *

HSK -Characters and beyond:

Gb	Big5	Eng	Rad	Mega	Triple	Multilingual
难 96BE +	難 + +	difficult, arduous, hard / unable	隹	难	Bird2 难 (SCHWIERIG) 【◎Fix:◎nan2;◎nan4】	+

Korean:

NA 나 + 亽, 倮, 儸, 儺, 哪, 喇, 嗠, 囉, 奈, 娜, 懦, 懶, 拏, 拿, 挐, 挪, 曪, 梛, 瘰, 癩, 砢, 糥, 糯, 羅, 臝, 蘿, 螺, 蠃, 裸, 邏, 那, 鑼, 陏, 難, 騾, 驘
NAN 난 + 乱, 亂, 偄, 卵, 囒, 圝, 嬾, 幱, 懶, 攔, 暖, 欄, 欒, 瀾, 灓, 煖, 煗, 爛, 蘭, 襴, 赧, 鑾, 闌, 難, 餪, 鸞
難 + 难 어려울 난 (어렵다: difficult)

NHSK word(s):

KOREAN6000 word(s):

KOREAN 2500 New HSK words):

KOREAN Sentence(s):