Revising for the examination (5,4)

I believe the answer is:

going over

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'examination' is the definition.
(I know that going-over is a type of examination)

I don't understand the remainder of the clue.

(Other definitions for going over that I've seen before include "complete treatment" , "Examination" , "Checking" , "beating" , "whipping" .)

I've seen this clue in the Evening Standard.

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