人
=
丿
+
㇏
:
Mnemonic symbol: Neanderthal Man (人). Robinson Crusoe (r-) is looking for snacks in the encampment's kitchen (-en2) when he suddenly spots Neanderthal Man (人). Neanderthal Man offers him a banana (丿), but Robinson Crusoe doesn't trust the present and pokes it with a finger (㇏).
工
=
二
+
丨
:
Mnemonic symbol: a steel beam, since 工 looks like the cross section of a steel beam.
Gitta Giraffe (gu) is working a shift in front of the engine ((e)ng1). Her job is to melt dinosaur bones (丨) so that they can be disposed off easily. To melt the bones, she is shorting a huge capacitor (二) with a steel beam (工) which consequently heats up to a bright glow. Using the glowing hot steel beam she can melt the dinosaur bone easily.
智
=
日
+
知
:
In the space station's bathroom (Ø4), the sun (日), Francis Bacon (知) and James II of England (zh) are competing for who's the most knowledgeable of them. They all present each other their smartphones (智能) on which they use apps to determine their IQ (智商). In the end it turns out that they are all retarded (弱智).
慧
=
彗
+
心
:
Someone broke Helga Horse's (hu) heart (心) and shattered it all over the Eiffel Tower's floor (ei4). Helga Horse is very wise (慧) and knows not to fall into despair over it. She sweeps her heart together with a broom (彗), puts it together and prepares for a new start.