費力不討好

费 = 弗 + 贝 : Frankenstein's monster finds that here is a crab in a woven basket for sale in the Eiffel Tower's bathroom. He feels sorry for the crab, spends a lot of money to purchase it and releases it into freedom.

力 = ㇆ + 丿 : Mnemonic symbol: a power button.

Li Qingzhao (li) just had a shower in the space station's bathroom (Ø4) and wants to use the hair dryer, but there's no plug, just the bare end of the cable! She uses all her power to build an electricity plug, and for the two pins she uses a plough (㇆) and a banana (丿). Finally she hits a big power button (力) to turn the power on.

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.

讨 = 寸 + 讠 : Tecumseh (t) is asking (讨) an advertising column (讠) inside of the aorta (ao3) for a little snack, and indeed, the column ejects some chocolate bars, which causes Tecumseh to thumb up (寸) at it.

好 = 女 + 子 : Hamlet visits the wishing well in the aorta and wishes for a good child. A picosecond later, an egg appears, cracks open and Bessie Coleman jumps out.