傾盆大雨

倾 = 亻 + 顷 : Rosa Luxemburg (亻) wants to overturn (倾) the Queen of Heart's (qi) reign, so Rosa starts with tearing down the whole hectare (顷) of wallpaper set up by the queen in front of the engine ((e)ng1).

盆 = 分 + 皿 : Pinocchio (p) wants to improve his stereo and thinks of using a shallow bowl (皿) as a sound bowl. To find out its natural frequency he has a flower pot (盆) roll inside the bowl to and fro and stops the periodicity using a stopwatch (分) in the encampment's kitchen ((e)n2).

大 = 一 + 人 : The big (大), huge (大) robot (mnemonic symbol for 大) is working out in the ashram's bathroom (a4). He's lifting a flute (一) to which Don Quixote (d) and Neanderthal man (人) are clinging.

雨 = 下 + 丶 + 冂 : It is raining inside of the space station, and because of zero gravity, it is raining in every direction. Yu the Great can't just hide under a ladder covered with petal leaves, she also has to tug herself in a few maps.