乾淨

dry / dried food / empty; hollow / taken in to nominal kinship; adoptive; foster / futile; in vain / (dialect) rude; blunt / (dialect) to cold-shoulder

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).

净

淨

jìng = ji + (e)ng4

clean / completely / only / net (income, exports etc) / (Chinese opera) painted face male role

净 = 争 + 冫 : The grim reaper (争) is very annoyed by Joan of Arc (ji) eating popsicle after popsicle (冫) in the engine's bathroom ((e)ng4). She does not take care at all and repeatedly messes up the floor which the grim reaper has to clean (净) again and again.