敢
=
乛
+
攵
+
耳
:
Mnemonic symbol: 石敢当, stone tablet erected to ward off evil spirits.
Guy Fawkes erected a stone tablet to ward off evil spirits inside of the anthill, but as he was drinking at the bar he noticed how the stone tablet suddenly started moving all on its own and tried to cut off Guy's ear with a sickle. Consequently, Guy Fawkes takes a sledgehammer and destroys the stone tablet to be safe; he wouldn't dare to have another drink setting next to this weird tablet.
tree / wood / coffin / wooden / simple / numb / one of the eight categories of ancient musical instruments 八音[ba1 yin1]
木
=
八
+
十
:
Mnemonic symbol: a Christmas tree. Malte Monkey is putting up a Christmas tree (木) in the bathroom of the space station (Ø4). He's using a cross (十) as a base to put the tree on, and decorates the tree with eight-balls (八).