Helping one ingenue to conceal affair (2,3,2)
I believe the answer is:
in aid of
'helping' is the definition.
(I've seen this in another clue)
'one ingenue to conceal affair' is the wordplay.
'one' becomes 'i' (Roman numeral).
'ingenue' becomes 'naif' (I am not sure about this - if you are sure you should believe this answer much more).
'to conceal' indicates putting letters inside.
'affair' becomes 'do' (do is a kind of affair).
'naif' placed around 'do' is 'naidof'.
'i'+'naidof'='IN AID OF'
Can you help me to learn more?
I've seen this clue in The Guardian.
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