Seriously struggling – I just don’t get it!
21a Stock needing a quick look over (4) -E-P. Heap, keep or peep?
47a Spoil terribly yet treat with great care when I quietly depart (7) --T-H-R. Botcher?
47d Wild ox exists among British game (5) --S-N. Bison?
49d Puzzle about computer circuit (5) R---S. Rebus?
52a Some disputes one’s arbitrating, back in college (9) --A-E-O-E. If Rebus is right only thing that fits is Bladebone?