洶

汹 = 凶 + 氵 : Xu Xian (xu) is surprised to find that when he pours water from a water bottle (氵) over a vicious demon mask (凶) lying on the floor in front of the engine ((e)ng1) the mask multiplies the water into a vicious torrent (汹).

匈 = 凶 + 勹 : Mnemonic symbol: Bela Lugosi, a famous Hungarian-American actor, famous for his role as dracula.

Xu Xian (xu) thinks Dracula is roaming about in front of the engine ((e)ng1), so he decides to scare him away, riding atop of an elephant (勹) and wearing a vicious demon mask (凶). Bela Lugosi (匈) is so terrified he almost gets a heart attack.

氵 = ⺀ + ㇀ : Mnemonic symbol: a bottle of water. Sheldon Shrimp (shu) enjoys a bottle of water (氵) in the Eiffel Tower's living room (ei3). The got the water by scratching (㇀) a blossom (⺀) and catching the leaking dew in a bottle.