10 across: Wait for more by the sound of it (7)
--A-I--
12 across: Turn and turn about to look nasty (4)
R-E-
34 across: C might get old and be like this (7)
--I---S
35 across: One can't take such a thing lightly (3,4)
T-- -A-K
8 down: Nothing but names for the fat bird (3,5,5)
--- ROUND -O---
32 down: You get on after this in school (4)
---S
33 down: O, that's it ! (4)
---O