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.
恶
=
亚
+
心
:
Albert Einstein ate a big plate of mapo doufu, but it already went bad two weeks before. Now he pukes and pukes in the elevator's bathroom and, with a broken heart, wonders how one dish can be so fierce.