青云翻译

A done deal

The die is cast

Fait accompli

(Trad=木已成舟, Pinyin=mu4 yi3 cheng2 zhou1) there is no use in crying over the split milk   (Trad=木已成舟, Pinyin=mu4 yi3 cheng2 zhou1) what is done cannot be undone, you can't change the past, what has already happened cannot be changed

The die is cast