From Longman Dictionary of Contemporary Englishcry over spilt milkcry over spilt milkREGRET/FEEL SORRYto waste time feeling sorry about an earlier mistake or problem that cannot be changed It’s no use crying over spilt milk. → cry
Examples from the Corpus
cry over spilt milk• It is now too late to cry over spilt milk.• It was disappointing, to say the least, but there's no point crying over spilt milk.• Nora Simpson didn't believe in crying over spilt milk. 