凶
=
乂
+
凵
:
Mnemonic symbol: a vicious (凶) demon mask. Xu Xian (xu) tried out an electric demon mask (凶) in front of the engine ((e)ng1), but now he can't take it off anymore. He already tried to pull the cable out of the receptacle (凵), but it didn't work. Maybe he has more luck using pliers (乂) to pull at the mask.
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.