tell (something to the Emperor, etc); report / play (a musical instrument) / have a good result; be effective

contact

twins

aspect / phase

a surname / a ward in northwestern Kawasaki, Kanagawa Prefecture / (historical) a village in Namegata District, Hitachi Province / (historical) a village in Shimōsa Province, modern Asō, Ibaraki

petitioning the emperor

petition the emperor

phase diagram

Seoul (a city, the capital city of South Korea)

idea, thought