4 Old HSK word(s): ☊狠 ** C ☊凶狠 ** D ☊狠毒 ** D ☊狠心 ** D
恶狠狠* * 发狠* * 狠狠* * 心狠* *

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

心 heart / mind, intelligence / soul
狠 vicious, cruel / severely, extreme

Hsk Characters: 狠 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
狠 72E0 + 狠 + + vicious, cruel / severely, extreme 犬 艮 Dog 艮 (STILLHALTEN) hen3 +

Korean:
1 NHSK word(s): 狠心* 6 hen3 xin1callous/ heartless
KOREAN6000 word(s):
0 KOREAN 2500 New HSK words):
0 KOREAN Sentence(s):