吞嚥困難

吞 = 口 + 天 : Tommy Turtle (tu) tried to swallow (吞) a whole mandarin (口) in front of the encampment ((e)n1) and is about to suffocate. Fortunately an angel (天) sees him struggling and rescues him.

咽 = 口 + 因 : Maud Younger (y) and René Descartes (因) are preparing to swallow (咽) a whole mandarin each (口) in the anthill's bathroom (an4).

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

Karl Koala (ku) prepared a nest made out of Christmas trees (木) stuffed into a plastic enclosure (囗) in the encampment's bathroom ((e)n4). To make sure that he sleeps (困) really well he pops sleeping pills (困) before laying down in his nest.

难 = 又 + 隹 : Mnemonic symbol: a video game which is almost impossible to beat.

难 = 又 + 隹 : Just inside the anthill's kitchen, Napoleon and a sparrow are trying to beat an insanely difficult video game. After playing and failing all day long Napoleon finally loses his temper and crashes the game wearing two boxing gloves.