ruthless / fierce / ferocious / determined / to harden (one's heart) / old variant of 很[hen3]
狠
=
犭
+
艮
:
Hamlet (h) is walking his dachshund (犭) in the encampment ((e)n3). Suddenly the dachshund gets stuck in a chewing gum (艮). The chewing gum is so fierce (狠) that Hamlet has a hard time pulling his dachshund out again.