ふくすいぼんにかえらず

I

ふくすいぼんにかえらず【覆水盆に帰らず】

(iK) (exp) what's done is done (lit: spilt water won't go back into its tray); that's water under the bridge; it is no use crying over spilt milk

II

ふくすいぼんにかえらず【覆水盆に返らず】

(exp) what's done is done (lit: spilt water won't go back into its tray); that's water under the bridge; it is no use crying over spilt milk