Might but don't suffer in silence (4)

I believe the answer is:

beef

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'might' is the definition.
(thesaurus)

I don't understand the rest of the clue.

(Other definitions for beef that I've seen before include "Strength - grievance" , "Meat - complaint" , "Bovine flesh" , "joint, perhaps" , "Complain; meat" .)

I've seen this clue in the Evening Standard.

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