0 Old HSK word(s):
废寝忘食* *

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

废 abrogate, terminate, discard
寝 sleep, rest / bed chamber
忘 forget / neglect / miss, omit
食 eat / meal / food / KangXi radical number 184
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual