0 Old HSK word(s):
枉费心机* *

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

枉 useless, in vain / bent, crooked
费 expenses, expenditures, fee
心 heart / mind, intelligence / soul
机 desk / machine / moment
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual