Young Robin's early years? (9)
I believe the answer is:
childhood
'early years?' is the definition.
(I've seen this before)
'young robin's' is the wordplay.
'young' becomes 'child' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'robin' becomes 'hood' (I've seen this in other clues).
'child'+'hood'='CHILDHOOD'
Can you help me to learn more?
(Other definitions for childhood that I've seen before include "Extreme youth" , "Period of immaturity" , "Between infancy and adolescence" , "Early years" , "Minority" .)