Smart alecs (4-4)

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4-4

4,4

know-alls

'smart alecs' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for know-alls that I've seen before include "People who behave as if they are conversant with everything" , "People who think they have encyclopedic brains" , "Smart alecs" .)

I've seen this clue in The Times.

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