Crossword Genius

Lock in the experts; they only pretend to work (9)

Ross

I believe the answer is:

actresses

'they only pretend to work' is the definition.
(I've seen this before)

'lock in the experts' is the wordplay.
'lock' becomes 'tress' (both can mean a piece of hair).
'in the' is an insertion indicator.
'experts' becomes 'aces' (ace is a kind of expert).
'tress' going inside 'aces' is 'ACTRESSES'.

(Other definitions for actresses that I've seen before include "Starlets" , "Stage performers" , "Female impersonators" , "Female performers" , "Girls in play" .)

I've seen this clue in The Globe and Mail.
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