Water Has Reached Past Our Head

The water level has reached passed our head.
(Aab az saremoon gozashteh)

The idea behind this Farsi expression is rather simple: "It's too late!" Though the image that comes to mind is of a Titanic-scenario crisis where the ship has sunk, the expression is probably used more commonly where a neglected problem was years in the making. A growing debt. A troubled marriage.