Request a lift having a little difficulty with the long walk (9)
I believe the answer is:
hitchhike
'request a lift having a little' is the definition.
I can't tell whether this definition defines the answer.
'difficulty with the long walk' is the wordplay.
'difficulty' becomes 'hitch' (hitch is a kind of difficulty).
'with' means one lot of letters go next to another.
'the long walk' becomes 'hike' (a hike is a long walk).
'hitch'+'hike'='HITCHHIKE'
Can you help me to learn more?
(Other definitions for hitchhike that I've seen before include "Walk with help of free rides" , "Cadge a lift" , "Travel by free lifts" , "Use one's thumb to go places?" , "Travel by car lifts, using thumb as signal" .)