硬臥

硬 = 更 + 石 : Maud Younger (y) finds the snake which ate too much (更) in the engine's bathroom ((e)ng4), and it feels miserable. To make the snake feel better Maud massages the snake using two warm stones (石). As Maud massages the snakebshe finds that the snake's belly is really hard (硬).

卧 = 卜 + 臣 : Willy Walrus (w) has become the new master of the observatory's servant (臣). In the bathroom (o4) Willy Walrus sits at the top of a voodoo staff (卜) which he is balancing on the spot between the servant's shoulders while the servant has to do push-ups (卧).