四
=
儿
+
囗
:
Mnemonic symbol: a four-leaved clover. Socrates (s) is working out in the bathroom of the space station (Ø4). He's lifting four (四) wooden boxes (囗), and wonders why they are so heavy. He doesn't know that inside one of the four boxes, the monkey king (儿) is hiding and secretly laughing at him - until the monkey king comes out and surprises Socrates with a four-leaved clover (四).
Sherlock Holmes (sh) is cleaning a flower pot (廿) under the shower of the space station's bathroom (Ø4) with a loofah (L) because he didn't quite understand a poster next to the shower from the WHO (世) explaining dangers arising from different germs.
同
=
冂
+
𠮛
:
Tommy Turtle (tu) is stapling (冂) a magical scroll (𠮛) to the wall of the engine's kitchen ((e)ng2). On it he wrote that he's looking for two twins (mnemonic symbol for 同).
(main) hall / large room for a specific purpose / CL:間|间[jian1] / relationship between cousins etc on the paternal side of a family / of the same clan / classifier for classes, lectures etc / classifier for sets of furniture
堂
=
尚
+
土
:
Tecumseh (t) is queuing at the canteen (堂) in the anglepod's kitchen (ang2). He sees how the Buddhist monk (尚) in front of him just gets a pile of earth (土) and is suddenly afraid of the food he will get.