泄
=
世
+
氵
:
Marie Curie (xi) is putting up a poster by the WHO (世) in the elevator's bathroom (e4). It is alerting everyone that when filling your water bottle (氵) from the tap not a single drop is allowed to leak (泄) through the closed bottle.
密
=
宀
+
必
+
山
:
Marilyn Monroe (mi) is secretly (密) making out with her secretary (密) Khubilai Khan (必). Because it has to be a secret (密), they meet in the space station's bathroom (Ø4) and hide under a huge graduation cap (宀). Just to be sure Khubilai Khan has two forks (山) in his hands to attack anyone who might enter and see them.