was swept away, was washed away
たくさんの家が洪水で流された。
Many houses were swept away by the flood.
その橋は洪水で流された。
The bridge was washed away by the flood.
サルマンの汚れは流された
Salman's dirt was washed away.
— ロード・オブ・ザ・リング／王の帰還 (2003)