互相监督

互 = 一 + 彑 : Helga Horse (hu) is freezing in the space station's bathroom (Ø4). She rubs her two front hooves mutually (互) against each other to warm up a little. Even her wet snout (彑) is frozen: she cannot play the flute (一) anymore.

相 = 木 + 目 : Mnemonic symbol: I take "eye" and "tree" as resembling an ent, an alive tree. Xi Shi (xi) portrays (相) an ent (相) in the anglepod's bathroom (ang4). Unfortunately she's really bad at painting, and her portrait resembles more a Christmas tree (木). The Eye of Providence (目) enters and, just from the shape of the Christmas Tree, instantly recognizes its own portrait (相).

监 = 刂 + 大 + 皿 : Joan of Arc (ji) has been caught by the English and in her prison (监), a cage (监) in front of the anthill (an1), She awaits her trial. She has not given up, though: as a robot hands her a bowl of rice (皿), She quickly pulls out a kitchen knife (刂) and stabs the robot's (大) arm. The robot doesn't even notice though.

督 = 叔 + 目 : Arthur Schopenhauer (叔) is walking Doggy Dog (du) in front of the space station (Ø1). He would be pretty relaxed weren't it for the Eye of Providence (目) constantly supervising (督) him about picking up the poo-poos.