Crossword Genius

To take up the post is to increase the risk (5,3,5)

Ross

I believe the answer is:

raise the stake

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'to take up' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'post is to increase the risk' is the wordplay.
'post' says to put letters next to each other (post- can mean after).
'is to increase' becomes 'raise' (I've seen this before).
'risk' becomes 'stake' (staking is a kind of risking).
'raise'+'the' is 'raisethe'.
'raisethe'+'stake'='RAISE THE STAKE'

'the' acts as a link.

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