涉險

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).

险 = 佥 + 阝 : Inside of the anthill, Marie Curie, the Pope and General Fu Qian are musing about the greatest danger to the modern world. The Pope thinks that the greatest danger to the modern world is science, e.g. the development of nuclear weapons, GMOs and the like. Marie Curie thinks that the greatest threat to the modern world is religion, e.g. the formation of organizations like IS as well as conservative thinking of moderate religion. Fu Qian says that the greatest threat to the modern world are people who drink to much and say or do stupid things.