Something certain to fail (4,5)
I believe the answer is:
lost cause
(Other definitions for lost cause that I've seen before include "write-off" , "Hopeless endeavour" , "patronised by Jude?" , "Hopeless situation" , "hopeless enterprise" .)
I believe the answer is:
lost cause
(Other definitions for lost cause that I've seen before include "write-off" , "Hopeless endeavour" , "patronised by Jude?" , "Hopeless situation" , "hopeless enterprise" .)