cry over spilt milk
Audio (UK) (file)
- Usually found as a negative imperative: don't cry over spilt milk or there's no use crying over spilt milk.
Don't waste your time worrying about things you cannot change.
to worry about unfortunate events which have already happened
- Gregory Y. Titelman, Random House Dictionary of Popular Proverbs and Sayings, 1996, →ISBN, p. 63.