classifier for years (of age) / year / year (of crop harvests)
岁
=
夕
+
山
:
Susan Saint Bernard (su) meets a bat (夕) in the bathroom of the Eiffel Tower (ei4). They make a bet: The one who is older (岁) will be allowed to eat the other using a fork (山).
Mnemonic symbol: this character looks a bit like a bat, and bats come out of their caves at dusk. I could see the upper left 丿 as part of the bat's right wing, ㇇ as the body/head and 丶 as the eye of the bat.
Xi Shi (xi) goes out for a space walk in front of the space station (Ø1) in the evening (夕), where she observes a space bat.
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.
秽
=
禾
+
岁
:
In the end, after many years of age (岁) everything ends up as dust (秽). This is what Helga Horse (hu) realizes in the Eiffel Tower's bathroom (ei4) after she left a bowl of cereals (禾) for several years (岁) and the cereals turned to dirt (秽).
(neologism) (slang) person who likes to pretend that everything is fine in their society (derived from 歲月靜好|岁月静好[sui4 yue4 jing4 hao3], "it is a time of peace and harmony")