隐
=
急
+
阝
:
The pope (阝) and Maud Younger (y) both need to go to the bathroom in the encampment ((e)n3) urgently (急), but they both forgot the secret (隐) pass phrase so they cannot open the door.
to keep / to contain / to suck (keep in your mouth without chewing)
含
=
今
+
口
:
Hamlet (h) caught a cold and in order to cure it, he follows a very strict medicine plan. He put up a rip-off calendar (今) in the anthill's kitchen which shows when he has to put a cough drop (mnemonic symbol for 含) in his mouth (口) to suck (含). The calendar always shows the right date: today (今). Hamlet made the cough drops himself out of mandarins (口).