[Japanese Idioms by Flashcards] 水に流す A river carries bad memories away. By setting adrift the pain of a romantic breakup or the betrayal by a once-trusted friend, you start things anew. Once into the river’s flow, the thing-to-forget heads downstream, never to return. Sample text: (Style: spoken/formal/female) A: Desukara, sore wa moo wasuremashoo. Mukashi no koto …