穷
=
力
+
穴
:
Cupid (qu) exhausted (穷) his bank account and is very poor (穷). He has nowhere to go and nothing to do anymore. In the engine's kitchen ((e)ng2) he creates a big cave painting (穴) out of boredom. Idly he paints a big power button (力) wishing that upon hitting it, money would rain down on him.
(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.
应
=
广
+
⺍
+
一
:
Maud Younger and the responsive dragon want to peacefully take over engine: They skydive into engine's bathroom using two parachutes. On top of it, Maud Younger plays a flute, and the responsive dragon is waving with a daisy responding to the rhythm of the music.