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.
恨
=
忄
+
艮
:
Hamlet (h) hates (恨) it when people spit their chewing gums (艮) on the encampment's bathroom's ((e)n4) floor, since he has to clean it. Just in case he waves with a flail (忄) at any guest who has a chewing gum.