不干涉

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.

干 = 一 + 十 : Guy Fawkes (g) is working (干) out in the anthill's bathroom (an4). He's lifting a flute (一) in one hand and a cross (十) in the other.

干 = 一 + 十 : Mnemonic symbol: dried fruit.

Guy Fawkes (g) is drying (干) his clothes in front of the anthill (an1). He hangs them on a large construction made from a cross (十) and a flute (一). Waiting for his clothes to dry, he snacks dried fruit (mnemonic symbol for 干).

涉 = 步 + 氵 : Sherlock Holmes (sh) suspects the five paced viper (步) to have killed an innocent person, so he is looking for it in the elevator's bathroom (e4). The snakes hides in one of the many water bottles (氵), so Sherlock has to wade (涉) through the bottles and the water in order to find the viper (步).