Pinyin final: "ai4"

在 = 一 + 亻 + 土 : Zorro (z) and Rosa Luxemburg (亻) exist (在) in the airplane's bathroom (ai4). Rosa is in the middle of balancing a flute (一) on her head and on a pile of clay (土). Zorro uses his rapier to inscribe "Z" into the flute, so as to mark that the pronunciation of "在" begins with "z".

外 = 夕 + 卜 : There's a hole in the wall of the airplane's bathroom (ai4), and from outside (外), a bat (夕) wants to enter. Willy Walrus (w) is very afraid of bats, so he does his best to hinder the bat from entering with a voodoo staff (卜).

太 = 丶 + 大 : Mnemonic symbol: from 太后 [tai4 hou4], the empress dowager. The empress dowager prepares for her reign in the airplane's bathroom (ai4) and has a big robot (大) as well as Tecumseh (t) fan her fresh air with petal leaves (丶).

再 = 一 + 冉 : Zorro finally received the flute he was waiting for so long in the airplane's bathroom. He is so moved that he cries 再见 again and again and waves the mail snail goodbye with a handkerchief.

夬 = 乛 + 大 : Mnemonic symbol: a crystal ball which will decide for you.

夬 = 乛 + 大 : Gitta Giraffe assumed the throne in the airplanes bathroom. Now she has to decide which tool she will use to enforce her decisions. She asks a crystal ball whether she should use a classical sickle or a rather modern robot.

快 = 夬 + 忄 : Karl Koala made the mistake to have asked the crystal ball in the airplane's bathroom about his future. After he has seen his fate he quickly and angrily destroys the crystal ball with a flail.

爱 = 受 + 𠂇 : Mnemonic symbol: A pair of swans who are in love.

爱 = 受 + 𠂇 : Albert Einstein hurt himself with a pair of scissors in the airplane's bathroom. He's already laying on a stretcher carried by two swans who are deeply in love with each other, being transported to the next hospital. A hospital... of love.

菜 = 艹 + 采 : The King oh Chu (c) is busy preparing a dish (菜) in the airplane's bathroom (ai4). He is using two plectrums (采) to pluck out parts of a mat of artificial lawn (艹).

亥 = 亠 + 厶 + 人 : Hamlet is terribly afraid by a beret-wearing boar in the airplane's bathroom, but fortunately Neanderthal man is there to protect him and to fight of the boar with a huge fake nose.

亥 = 亠 + 厶 + 人 : Mnemonic symbol: a boar.

坏 = 不 + 土 : In the airplane's bathroom, there is a clear sign that it is forbidden to enter the room with dirty feet. Helga Horse is quite spoiled though, so she enters right after she went to the muddy stables and spreads dirt all around.

块 = 土 + 夬 : Karl Koala let the crystal ball drop in the airplane's bathroom. He collected all the pieces and fixed them together again using nothing but dirt. After he asks the crystal ball whether or not everything is okay, the crystal ball replies that Karl is a piece of shit.

匃 = 亾 + 勹 : Mnemonic symbol: a beggar from ancient Egypt. The beggar from ancient Egypt (匃) found work as an elephant (勹) rider. He rides his elephant through the airplane's bathroom (ai4) while the elephant carries a sarcophagus (亾) with his trunk. He doesn't know that Guy Fawkes (g) secretly sneaked into the sarcophagus to hitch a ride.

卖 = 十 + ㇖ + 头 : Mahatma Gandhi (m) wants to get rid of his worldly possessions and sets up a flea market in the airplane's bathroom (ai4). He displays a cross (十), a sickle (㇖) and a skull (头) which he wants to sell (卖), so he attached price tags to all of them.

带 = 卅 + 冖 + 巾 : Don Quixote purchased thirty cooking tops in the airplane's bathroom to build new armor out of them. Now the question is: how does he get them home? Finally he has a good idea: He spreads out a towel on the floor, stacks the thirty cooking tops as a pyramid and pulls the towel with a belt. It works! This way he can bring them back to his place.

态 = 太 + 心 : The empress dowager (太) asks Tecumseh (t) about his attitude (态) towards her in the airplane's bathroom (ai4). Tecumseh isn't sure himself and samples his hearts (心) on a scale from 1 to 10 with one bin per integer. After N is large enough, he sees that his attitude forms a Gaussian distribution (态) with a mean of 6.