pitfall / trap / to get stuck / to sink / to cave in / to frame (false charge) / to capture (a city in battle) / to fall (to the enemy) / defect
陷
=
臽
+
阝
:
After Marie Curie (xi) caught the crane in the anthill's bathroom (an4) she wants to catch the pope (阝) next. She knows that a normal sling trap (臽) will not work, so she digs a pitfall (陷) this time, but to be on the safe side she installs an additional sling trap (臽) at the bottom of the pitfall (陷).
(of time or place) in; at; on / (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for / (indicating a source) from; out of / (used in comparison) than / (used in the passive voice) by
于
=
亅
+
二
:
Mnemonic symbol: prepositions (in, at, on, to, ...) are what glue the sentence together. Honey is as sticky as glue, so I'll represent 于 by a honey jar.
Yu the Great (于) was assigned to repair the electronics of the space station's kitchen (Ø2), but instead he was snacking honey from a honey jar (于). Unfortunately his capacitor (二) got stuck in the honey and now he has to use a crowbar (亅) to lever it out.
瘫
=
疒
+
难
:
In front of the anthill (an1) Tecumseh (t) is trying to beat an impossible game (难). He gets so frustrated that he first develops a colorful rash (疒) and ends up completely paralyzed (瘫).
痪
=
奂
+
疒
:
Helga Horse (hu) took a medicine against her paralysis (痪) in the anthill's bathroom (an4). Although the medicine gave her a colorful rash (疒) at least she can move again, so she claps her hooves together and says "excellent" (奂).