内忧外困

内 = ⺆ + 人 : Mnemonic symbol: A CT scanner to see inside of someone.

内 = ⺆ + 人 : Napoleon just can't find his stapler and suspects that Neanderthal Man has eaten it. Not thinking twice he orders Neanderthal Man to enter his CT scanner in the Eiffel Tower's bathroom, finding his stapler in Neanderthal Man's stomach.

忧 = 尤 + 忄 : Maud Younger (y) received a medal (尤) for her nice fail (忄) in front of the outhouse (ou1), but now she's worried (忧) that someone will steal her flail since now it is so famous.

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).

困 = 囗 + 木 : Mnemonic symbol: a sleeping bag.

Karl Koala has been putting Christmas trees into boxes all day, and now he is very tired. He climbs one of the Christmas trees he already put into a box, slips into his sleeping bag and falls asleep on the tree.

困 = 囗 + 木 : New mnemonic symbol to avoid confusion with 夗: sleeping pills.

困 = 囗 + 木 : Mnemonic symbol: a sleeping bag.

Karl Koala has been putting Christmas trees into boxes all day, and now he is very tired. He climbs one of the Christmas trees he already put into a box, slips into his sleeping bag and falls asleep on the tree.

困 = 囗 + 木 : New mnemonic symbol to avoid confusion with 夗: sleeping pills.