四害

四 = 儿 + 囗 : Mnemonic symbol: a four-leaved clover. Socrates (s) is working out in the bathroom of the space station (Ø4). He's lifting four (四) wooden boxes (囗), and wonders why they are so heavy. He doesn't know that inside one of the four boxes, the monkey king (儿) is hiding and secretly laughing at him - until the monkey king comes out and surprises Socrates with a four-leaved clover (四).

害 = 宀 + 丰 + 口 : Mnemonic symbol: Calamity Jane.

Hamlet has just graduated from high school and his still wearing his graduation cap, but Calamity Jane locked him in a golden cage in the airplane's bathroom because she envies him so much. She even gave him no food so far and teases him with a mandarin.