Criticise (4,2,6)
'criticise' is the definition.
(I know that censure is a more specific form of the action criticise)
This is the entire clue.
(Other definitions for censure that I've seen before include "Read (someone) the riot act" , "Rebuke, strongly criticise" , "Official reprimand" , "Formally reprove" , "Formal disapproval" .)
'criticise' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for get at that I've seen before include "Reach - mean - attack verbally" , "Nobble; gain access to" , "Criticise (someone)" , "Pick on - gain access to" , "Unfairly influence" .)
'criticise' is the definition.
(thesaurus)
This is the entire clue.
(Another definition for pull to pieces that I've seen is " Systematically criticise".)