Select the most appropriate meaning of the given idiom.

Cry over spilt milk

regret about something that happened and cannot be changed

The most appropriate meaning of the idiom "cry over spilt milk" is regret about something that happened and cannot be changed.

This idiom is used to describe the futility of feeling sorry about something that has already happened and cannot be undone. It is thought to come from the idea that crying over spilled milk will not make it any less spilled.

The other options are not as accurate descriptions of the meaning of the idiom.

• Cry too much over a petty issue: This idiom is more accurately described as "to make a mountain out of a molehill."
• Unnecessarily worry about the future: This idiom is more accurately described as "to sweat the small stuff."
• Complain about being forced to drink milk: This idiom is not an idiom.