覆水难收

覆水难收 [fù shuǐ nán shōu]

1. ■ Spilled water cannot be gathered up.; Water poured on the ground cannot be recovered.; When water's spilt, you can never retrieve it.; What's done cannot be undone.; It is no use crying over spilt milk.; difficult for a divorced couple to remarry; Fallen flowers cannot go back to their stock.; Chips off the mass reverts not to the block.