覆水難收（覆水難收）　

◎ 覆水難收 fùshuǐ-nánshōu

[spilt water can’t be gathered up;what is done cannot be undone;it is hard to get it back again;water poured on the ground cannot be recovered] 倒在地上的水難收回來。比喻事成定局,無法挽回(多用于夫妻離異)

成媒不說,覆水難收。——《敦煌變文集》