cry over spilt milk – means to waste time and energy feeling sad about something that happened in the past and you can’t change, for example:
A: I can’t believe I forgot to call my father on his birthday.
B: Come on, there’s no point crying over spilt milk.
What does the word spill mean?
- it means to cause something to flow or fall outside a container, for example:
1) I spilled wine on my shirt and it’s ruined now.
2) She dropped a bag of salt and it spilled all over the floor of her kitchen.