to be stupid / to cheat or deceive / me or I (modest)
愚
=
心
+
禺
:
禺狨王 (禺) gives Yu the Great (yu) his heart (心) in the space station's kitchen (Ø2). Yu the Great is very moved and just as she is about to take it 禺狨王 snaps it away, exclaims that it is just an April Fools' (愚) joke and calls Yu the Great out on how dumb (愚) she is.
昧
=
日
+
未
:
Mahatma Gandhi (m) wants to give the kids of an orphanage the sun (日) as a Christmas present, but he wants to keep it secret, so he asks Ai Weiwei (未) to conceal (昧) the sun for him in the Eiffel Tower's bathroom (ei4). Naturally, with the sun hidden, it gets quite dark (昧).