優勝劣汰

优 = 亻 + 尤 : Rosa Luxemburg (亻) and Maud Younger (y) are awarding each other medals (尤) for being superior (优) than the rest of the world in front of the outhouse (ou1).

优 = 亻 + 尤 : A disabled man is lying on the streets, his crutches nearby. He's blaming (尤) everyone for not helping him. Finally, a man (亻) of excellent reputation comes to his aid.

胜 = 月 + 生 : Sherlock Holmes and the moon both participate in a competition in the engine's bathroom. They have to rock a cradle each and whoever rocks most is the winner.

劣 = 力 + 少 : Li Qingzhao (li) and the smiley (少) are battling to the death in a quiz about survival of the fittest (劣). Each of them has a power button (力) in front of them which they have to press if they want to answer a question. The inferior (劣) candidate will be expelled from the show.

汰 = 太 + 氵 : The empress dowager (太) orders Tecumseh (t) to discard (汰) the water bottle (氵) she used in the airplane's bathroom (ai4).