舟
=
丹
+
⺀
:
Mnemonic symbol: 舟 looks like the tower of a yellow submarine. In front of the outhouse (ou1), James II of England (zh) stands next to his yellow submarine (舟) and asks you: will you swallow the blossom (⺀) and continue your quiet life? Or will you swallow the red pill (丹) and follow him on his adventures in the submarine?
mountain / hill / anything that resembles a mountain / CL:座[zuo4] / bundled straw in which silkworms spin cocoons / gable
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.