0 Old HSK word(s):
瘁* * 鞠躬尽瘁* * 身心交瘁* * 心力交瘁* *

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

心 heart / mind, intelligence / soul
力 power, capability, influence
交 mix / intersect / exchange, communicate / deliver
瘁 feel tired, be weary, be worn out
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
瘁 7601 + 瘁 + + feel tired, be weary, be worn out 疒 卒 Illness 卒 (FUSSOLDAT) cui4 +

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