默
=
犬
+
黑
:
Mahatma Gandhi (m) and the Saint Bernhard dog (犬) are training hard in the observatory's bathroom (o4). They are taking turns of making awful noises on a blackboard (黑), and they train to remain silent (默) instead of screaming out loud.
叹
=
又
+
口
:
Tecumseh (t) is loosing a battle in the anthill's bathroom (an4). With each hit of his opponent's boxing glove (又) on his mouth (口) he gives a desperate sigh (叹).