Lost cause
"Lost cause" in a Sentence (4 examples)
He has already made up his mind, and it's a lost cause to try to change it.
Artfully pulling the ball back to leave McCleary chasing a lost cause, Sánchez calmly made space for a shot and applied a finish that beat the despairing dives of both Federici and Michael Hector, the latter vainly attempting to recover position when it was too late.
I get the sense that it's a lost cause / I get the sense that you might really love her / This text gon' be evidence, this text is evidence / I tried to ration with you, no murders or crimes of passion, but damn
Also implicit was the idea that all southerners accepted the basic tenets of the Lost Cause myth and concurred in this celebration of the Confederacy.