33a Needing short rest, I would put back down (6) ??L?I?
37a Was stalker exposed snatching Bill? (8) S???O?E?
54a Advanced, as was rival denied one after returning prize? (7) ??O?V??
Thanks oldred - stuck on a few more now
51d Antiperspirant mostly masks gathering sweat (5) S?D?R
43d Writer's account about a frogman heading for the surface? (4,5) ???? / A???L