Play word 人間学的証明 人間学的証明 にんげんがくてきしょうめい anthropological argument (one of Descartes' ontological arguments for the existence of God)
Play word 世界四大文明 世界四大文明 せかいよんだいぶんめい the four great civilizations of the world (China, Babylon, India, and Egypt; as put forward by Chinese scholar Liang Qichao in 1900)
Play word 大明槓 大明槓 ダイミンカン turning a concealed pung into an open kong by calling another player's discard