遥不可及

遥 = 爫 + 缶 + 辶 : Maud Younger (y) got a new razor (爫) which came with a remote (遥) control. In the aorta's kitchen (ao2) she wants to try it out but accidentally activates her gladiator sandals (辶) remotely which then promptly walk over all her pottery (缶).

不 = 丆 + 卜 : Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.

可 = 丁 + 口 : Karl Marx (k) is challenging his abilities (可) in the elevator's living room (e3). He tries to force a nail (丁) into a mandarin (口), just by using his head. On top of that he tries to do so one thousand times, in order to create a bed of nails (mnemonic symbol for 可).

可 = 丁 + 口 : Alternative mnemonic symbol: kebab, from the pronunciation "ke". Karl Marx (k) is preparing a kebab (mnemonic symbol for 可) in the elevator's living room (e3). He also skewers mandarins (口) on the long steel nails (丁) and will only allow (可) his guests to eat the rest of the kebab if they eat their mandarins first.

及 = ㇏ + 乃 : Mnemonic symbol: Chinese General 宇文化及 (yu3 wen2 hua4 ji2) from the seventh century.

及 = ㇏ + 乃 : Just inside the space station's entrance a poltergeist is harassing Joan of Arc and Yuwen Huaji by pointing with his fingers at them.