喜氣洋洋

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.

Mnemonic symbol: a balloon. The Queen of Hearts is disappointed by her balloons. She expected them to float upwards, but in the space station's bathroom, They float randomly in all directions.

洋 = 氵 + 羊 : Maud Younger found a magical sheep just inside the anglepod's kitchen. The sheep has a water bottle out of which endlessly silver coins pour out. With the bottle the sheep already created a real ocean of foreign silver coins.