四
=
儿
+
囗
:
Mnemonic symbol: a four-leaved clover. Socrates (s) is working out in the bathroom of the space station (Ø4). He's lifting four (四) wooden boxes (囗), and wonders why they are so heavy. He doesn't know that inside one of the four boxes, the monkey king (儿) is hiding and secretly laughing at him - until the monkey king comes out and surprises Socrates with a four-leaved clover (四).
更
=
丈
+
日
:
人心不足，蛇吞象: A person who always wants more is like a snake which wants to eat an elephant.
更
=
丈
+
日
:
Guy Fawkes found a snake who ate an elephant in the engine's bathroom, and now it can't move anymore. Together with his friends Bigfoot and the sun, he carries it out of the bathroom.