TO CRY OVER SPILT-MILK, verb. phr. (colloquial).To lament what is past recovery or mending.
1877. New York Tribune, 10 March. Letter from Washington. The Democrats are CRYING, and cursing too, OVER SPILLED MILK.
1902. R. DOWLING, Tempest-Driven, vi. Theres no use now in CRYING OVER SPILT MILK. What we have to ask ourselves is: How can it be best faced?