0 Old HSK word(s):
于心不忍* *

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

于 in, on, at / go to / surname
心 heart / mind, intelligence / soul
不 no, not / un- / negative prefix
忍 endure, bear, suffer / forbear
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual