山
=
丨
+
凵
:
Mnemonic symbol: 山 looks like the tip of a fork. Sherlock Holmes (sh) is climbing a mountain (山) in front of the anthill (an1). He uses a dinosaur bone (〡) as walking stick, and to have better grip he attached a fork (山) to its tip. Unfortunately he accidentally sticks the fork into a receptacle (凵) on the ground of the mountain and gets shocked.
Yu the Great (yu) wanted to rally against the terrible reign of 禺狨王, but he found out about it. In the space station's bathroom (Ø4), he finds Yu the Great and tramples (禸) on her protest placard (甲).