Definition from Wiktionary, the free dictionary
Literally: the raw rice has already been cooked
- a metaphor for when something is already inevitable, and there is no way to reverse it; there is no turning back; what's done is done; you can't turn back the clock
- "生米煮成熟饭" (in Mandarin), Guoyu Cidian On-line Mandarin Dictionary (國語辭典). URL accessed on 2009-05-25.