难产

难 = 又 + 隹 : Mnemonic symbol: a video game which is almost impossible to beat.

难 = 又 + 隹 : Just inside the anthill's kitchen, Napoleon and a sparrow are trying to beat an insanely difficult video game. After playing and failing all day long Napoleon finally loses his temper and crashes the game wearing two boxing gloves.

产 = 厂 + 立 : Mnemonic symbol: an assembly belt. Can you see the vase soon falling off the assembly belt?

In anthill, Charlie Chaplin is setting up his assembly line. At the one end there is a supply of vases. In the middle of the assembly line, a chocolate factory fills chocolate into the vases. At the other end, the little vases with the chocolate are dumped into a large vase.