Pinyin final: "o4"

坐 = 从 + 土 : Zapatista Zebra (zu) sits next to a rubber chicken (从) on a clay (土) bench (mnemonic symbol for 坐) in the observatory's bathroom.

末 = 一 + 木 : Mahatma Gandhi set up a giant flute on a Christmas tree, trying to raise awareness for the Roof of the World in the observatory's bathroom. He chose the flute and the tree as symbols for the sky and nature, but as Jehovah’s Witness enters, she thinks it's the sky that has fallen down on our heads, and the end of days is ultimately there.

座 = 坐 + 广 : Zapatista Zebra (zu) attached parachutes (广) to benches made of dirt (坐) and plans to drop them over developing countries while he himself sits in a very comfy and luxurious cinema seat (座) in the observatory's bathroom (o4).

豁 = 害 + 谷 : Under normal circumstances neither horses nor popcorn (谷) are allowed in the observatory, but Calamity Jane (害) was able to get an exemption (豁) and ride Helga Horse (hu) into the observatory's bathroom (o4) while eating popcorn by showing her "special permit" (her colt) at the entrance.

作 = 乍 + 亻 : Rosa Luxemburg (亻) and Zapatista Zebra (zu) are high-fiveing in the observatory's bathroom (o4) because they're growing so awesome Mohawk (乍) haircuts.

烁 = 乐 + 火 : Sheldon Shrimp (shu) started a fire (火) in the observatory's bathroom (e4) and the cheerleader (乐) is dancing happily around the bright (烁) flickering (烁) fire (火).

魄 = 白 + 鬼 : Pinocchio (p) is being harassed by a demon (鬼) while he uses observatory's bathroom (o4). The demon almost causes Pinocchio's mortal soul (魄) to depart his body, so Pinocchio waves with his white flag (白) as hard as he can to beg for mercy.

硕 = 石 + 页 : There is a large, huge (硕) rock (石) blocking observatory's bathroom (o4). Sheldon Shrimp (shu) tries to clear it off by wrapping it in a huge (硕) sheet of paper (页) because he heard "paper beats rock". Of course it doesn't work because Sheldon is not a learned person (硕士).

Chantal Chicken tries out her new gladiator sandals in the observatory's bathroom.

过 = 寸 + 辶 : Gitta Giraffe is trying out her new gladiator sandals in the observatory's bathroom. She's even able to cross a puddle of water with them by just walking on the water, so thumbs up for her!

迫 = 白 + 辶 : Pinocchio (p) is hiding in the observatory's bathroom (o4), but his persecutors are about to break in. Pinocchio blocked the door with a heap of gladiator sandals (辶), but they are about to break through. He is forced (迫) to wave his white flag (白) and give up.

迫 = 白 + 辶 : Pinocchio (p) is hiding in the observatory's bathroom (o4), but his persecutors are about to break in. Pinocchio blocked the door with a heap of gladiator sandals (辶), but they are about to break through. He is forced (迫) to wave his white flag (白) and give up.