Crossword Genius

Move away from taking this to attempt repair? (4,3)

Ross

I believe the answer is:

back off

'move away from' is the definition.
(to back off from something is to move away from it)

I cannot understand how the rest of the clue works.

(Other definitions for back off that I've seen before include "as TV may have to be repaired" , "Withdraw from confrontation" , "Give up" , "Retreat" .)

I've seen this clue in The Guardian.
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