The problems have 'retarded' the progress of the program.
mentally 'retarded'
(..) - Iced coffee. - Handsome, but doesn't know it. Staring at a tree, which means he's actually in the park for nature and not to watch women sunbathe. - Or he's retarded. - Don't care. I'm going in. - Excuse me. - Yes? - Hi. (..)2011 Friends with Benefits