Can't work out 38down: Right off, receiving no introdution to deft game of deception: (10)???m?l???g 54across: Fine in Essence, work which may get slated (7) ??O?T?? 41 across: Fruit succeeded by fish (8) ?????O?K Is 20 across Swan Lake? and 9down Trunnion.
Found the rest fairly easy but just now the brain has gone to sleep. Any help much appreciated.