涉
=
步
+
氵
:
Sherlock Holmes (sh) suspects the five paced viper (步) to have killed an innocent person, so he is looking for it in the elevator's bathroom (e4). The snakes hides in one of the many water bottles (氵), so Sherlock has to wade (涉) through the bottles and the water in order to find the viper (步).
讼
=
公
+
讠
:
Susan Saint Bernard (su) set up a large advertising column (讠) to warn about her web in the engine's bathroom ((e)ng4), but still a bus (公) got stuck inside and a lawsuit (讼) ensued.