Decline to raise grand for film (4)
I believe the answer is:
skin
'film' is the definition.
(I've seen this in other clues)
'decline to raise grand' is the wordplay.
I cannot quite see how this works, but
'grand' could be 'k' ('K' can be a synonym of 'grand') and 'k' is located in the answer.
The remaining letters 'sin' is a valid word which might be clued in a way I don't see.
This may be the basis of clue (or it may be nonsense).
'for' is the link.
(Other definitions for skin that I've seen before include "Remove the outer layer" , "What keeps you in" , "External surface" , "Hide - flay" , "Outer layer of a fruit or vegetable" .)