青
=
龶
+
月
:
Mnemonic symbol: a cyan-colored fountain of youth.
青
=
龶
+
月
:
The moon opened a very profitable start-up in front of the engine. He put up a fountain of youth and--wearing a fancy headdress--charges the Queen of Hearts a fortune for drinking from the fountain.
肿
=
中
+
月
:
The moon (月) and Julian Giant Squid (zhu) are playing darts inside of the engine ((e)ng3). Right in his first turn Julian Giant Squid doesn't hit the dart board (中), but instead hits the moon's eye which starts swelling (肿) and develops into a tumor (肿).