5 Old HSK word(s): ☊坑 ** C ☊窟窿 ** C ☊空洞 ** D ☊空话 ** D ☊空心 ** D


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

空 empty, hollow, bare, deserted
心 heart / mind, intelligence / soul

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
洼 6D3C + 窪 + + hollow / pit / depression / swamp 水, 氵 圭 Water 圭 (JADETABLETT) wa1 +

Korean:
2 NHSK word(s): 空虚* 6 kong1 xu1hollow/ emptiness/ meaningless 窝* 6 wo1nest/ pit or hollow on the human body/ lair/ den/ place/ to harbor or shelter/ to hold in check/ to bend/ classifier for litters and broods
1 KOREAN6000 word(s):
C 텅 [teong] Hollow
KOREAN 2500 New HSK words):
KOREAN Sentence(s):