to exist; to be alive / (of sb or sth) to be (located) at / (used before a verb to indicate an action in progress)
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".
one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit
Maud Younger (y) forgot her keys to the space station (Ø1), all she brought outside was her flute (一). She has no choice but to crash the door with the giant flute.
Gitta Giraffe meets Father Christmas in the airplane's bathroom. She finds it rather bewildering that instead of a sack full of presents he holds a big flail. He also looks kind of grumpy, almost like a big monster.