天壤之别

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.

壤 = 土 + 襄 : Robinson Crusoe (r) and many others are working hard in a communal effort (襄) to analyze the soil (壤) in the Angwor Wat (ang3). They are digging up a lot of dirt (土) and want to analyze which layer of soil (壤) is the best one for agriculture.

之 = 丶 + Z : Mnemonic symbol: Sooo sleepy... "zZz" (the character looks like a "Z"). James II of England (zh) fell asleep in front of the space station (Ø1). He sleeps on a big petal leaf (丶), making loud "zZz" (之) sounds.

别 = 刂 + 另 : Brunhilde is preparing to leave the elevator to defend her home. In the kitchen, to prepare for the fight, she tries to create the ultimate weapon by distilling kitchen knives, although it says on the distiller that the user must not put metal inside.