桑そう田でん滄そう海かいそうでんそうかいじ字FuriganaMeanings1expressionthe world is ever-changing; vicissitudes of lifeyojijukugo (four-character idiom)›A literary yojijukugo originating from a Chinese legend, expressing that the world undergoes constant, dramatic change, like a mulberry field turning into a sea. Rare in modern conversation; used in formal or literary contexts.桑そう田でん滄そう海かいの世よの中なか
