Beat in the counter-revolution (7)
I believe the answer is:
trounce
'beat' is the definition.
(I know that beat can be written as trounce)
'counter-revolution' is the wordplay.
'revolution' indicates an anagram.
'counter' is an anagram of 'TROUNCE'.
'in the' is the link.
(Other definitions for trounce that I've seen before include "Clobber" , "Thoroughly defeat" , "summons" , "Utterly defeat" , "Destroy" .)