Hold up for quick inspection (4)
I believe the answer is:
peek
'quick inspection' is the definition.
The answer and definition can be both acts as well as being singular nouns.
Perhaps there's an association between them I don't understand?
'hold up' is the wordplay.
'hold' becomes 'keep' (synonyms).
'up' shows that the letters should be reversed in order (in down clue: letters go upwards).
'keep' in reverse letter order is 'PEEK'.
'for' is the link.
Can you help me to learn more?
(Other definitions for peek that I've seen before include "Sly look, peep" , "Secret look" , "Quick or furtive look" , "Furtive glance" , "Quick, sly look" .)
