ふくすいぼんにかえらず

覆水盆に返らず

表記・読み：覆水盆に帰らず・ふくすいぼんにかえらず

1. 1

   what's done is done; it is no use crying over spilt milk; spilt water won't go back into its tray

   expressions (phrases, clauses, etc.)proverb