水すい魚ぎょの交まじわりすいぎょのまじわりじ字FuriganaMeanings1expression, nounclose friendship; inseparable relationshipidiomatic expression›Idiomatic expression likening a deep, inseparable bond to the relationship between water and fish. Often used in literary or formal contexts to describe a very close, mutually dependent friendship.二人ふたりは水すい
