Hit knowing service easily broken? (9)

I believe the answer is:

chinaware

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'service easily broken?' is the definition.
I can't tell whether this definition defines the answer.

'hit knowing' is the wordplay.
'hit' becomes 'chin' (informal term meaning to punch someone's chin).
'knowing' becomes 'aware' (I've seen this before).
'chin'+'aware'='CHINAWARE'

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(Other definitions for chinaware that I've seen before include "porcelain" , "Potty group" , "Ceramics" , "Dresden set" , "Ceramic articles" .)

I've seen this clue in The Telegraph.

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