解鈴繫鈴

解 = 刀 + 牛 + 角 : Mnemonic symbol: acetone, in which anything can be dissolved.

Inside of the elevator (e3) Joan of Arc (ji) is dissolving a horn (角). A moment ago she cut the horn from the bull's (牛) head using a cleaver (刀). The bull is still shocked as he sees Joan of Arc dissolve (解) his horn in acetone (解).

铃 = 令 + 钅 : Li Qingzhao (li) is living next to engine, and her neighbors installed some very annoying little bells (铃) next to their entrance ((e)ng2). As a consequence she got an official decree by the emperor and a Ling Pai (令) that allows her to have them remove the bells, but as she visits the engine home no-one is there. Short-tempered she just uses her golden harpoon (钅) to take off the little annoying bells (铃).

系 = 丿 + 糸 : Mnemonic symbol: As this is the second character in 关系 (guanxi), I'll use shaking hands as the symbol for 系.

系 = 丿 + 糸 : In the space station's bathroom, Marie Curie found a new binding mechanism in chemistry. To demonstrate her findings, she binds two bananas together with a silk scarf. She celebrates her findings by shaking her own hand over her head.