生米成熟饭 [- mǐ chénɡ shú fàn]The rice is already cooked — What is done can't be undone.; Cooked rice can never go back to being raw again.; It is too late to change.; It's no use crying over spilt milk.; The die is cast.; The fat is in the fire.; What's done can't be undone.:
•¶ “要干就干到底,生米成熟饭, 还有什么迟疑!” “Once we've started, we must carry on to the end! When things have gone as far as this, why hesitate now?”