0 Old HSK word(s):
用之不竭* *

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

用 use, employ, apply, operate / use
之 marks preceding phrase as modifier of following phrase / it, him her, them / go to
不 no, not / un- / negative prefix
竭 put forth great effort / exhaust
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual

Korean:
0 NHSK word(s):
KOREAN6000 word(s):
0 KOREAN 2500 New HSK words):
0 KOREAN Sentence(s):