to bank up with earth / to cultivate (lit. or fig.) / to train (people)
培
=
咅
+
土
:
Pinocchio (p) has been cultivating (培) a big compost heap in the Eiffel Tower's kitchen (ei2). He uses his own poo-poo (咅), which is just humus, and earthed it up in a compartment made of earth (土).
液
=
夜
+
氵
:
Maud Younger (y) wanted to empty her chamber pot (夜) in the elevator's bathroom (e4), but she finds the toilet clogged. She'll have to store the liquid (液) in an empty water bottle (氵) instead.