Don't shift your position: continue to deceive (3,5)

I believe the answer is:

lie still

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'don't shift your position' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'continue to deceive' is the wordplay.
'continue' becomes 'still' (I can't explain this - if you can you should give a lot more credence to this answer).
'to' means one lot of letters go next to another (I've seen this in other clues).
'deceive' becomes 'lie' (to lie is to deceive people).
'still' after 'lie' is 'LIE STILL'.

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I've seen this clue in The Irish Independent.

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