地壳运动

地 = 也 + 土 : Dorothy Gale (di) hates the cleanliness of the space station, so she used an excavator (也) in the space station's bathroom (Ø4) to dig a pile of dirt (土) out of the ground (地) for a mud bath.

壳 = 冗 + 士 : The Queen of Hearts (qi) is dating the bachelor (士) in the aorta's bathroom (ao4). The bachelor tries to impress the Queen of Hearts and inhaled a lot of helium (冗), but instead of sounding funny he is just squealing so much that the Queen of Hearts hides under her carapace (壳).

运 = 云 + 辶 : Yu the Great (yu) is practicing step dancing in the encampment's bathroom ((e)n4). She is wearing gladiator sandals (辶) and is moving (运) so fast that she's evaporating the floor. There are even clouds (云) of smoke coming from her gladiator sandals and the evaporated floor.

动 = 云 + 力 : Doggy Dog notices a lot of smoke when he enters engine's bathroom. Instead of thinking long, he acts quickly and moves to push the fire alarm button.