喜從天降

喜 = 壴 + 口 : Mnemonic symbol: 喜宴, wedding banquet.

Marie Curie is overjoyed to announce her marriage in the space station. She improvised a wedding banquet with nothing but mandarins and notifies everyone by beating a large drum very quickly with two mandarins.

从 = 人 : Mnemonic symbol: 从 looks like the legs of a rubber chicken. Two Neanderthal Men (人) are playing a game with Kitty Cat (cu) in the engine's kitchen ((e)ng2). They stand in a line and let Kitty Cat pass through (从) the tunnel formed by their legs by teasing her with a rubber chicken (从).

天 = 一 + 大 : Mnemonic symbol: an angel from heaven. Mother Teresa (ti) programmed a robot (大) to play a flute duet together with her in front of the anthill (an1). As they play their flutes (一) an angel (mnemonic symbol for 天) hears their heavenly tune and descends from heaven (天) to listen to them.

降 = 夅 + 阝 : Shortly after Jin Xing descended down from the heavens to visit Joan of Arc in the anglepod's bathroom, the Pope follows and descends from another heaven. He messes up the landing though and lands on Jin Xing, which in turn falls on the Joan of Arc.