Crossword Genius

We initial changes to prepare ambush (3,2,4)

Ross

I believe the answer is:

lie in wait

'prepare ambush' is the definition.
(as in lying in wait ready to ambush someone)

'we initial changes' is the wordplay.
'changes' is an anagram indicator.
'we'+'initial'='weinitial'
'weinitial' is an anagram of 'LIE IN WAIT'.

'to' acts as a link.

(Other definitions for lie in wait that I've seen before include "prepare a trap" , "Prepare to attack" , "what will hunter do?" , "Be prepared to ambush" , "Lurk" .)

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