Crossword Genius

Doing whatever is necessary to make oneself look big? (5,2,3,7)

Ross

I believe the answer is:

going to any lengths

I'm a little stuck... Click here to teach me more about this clue!

'oneself look big?' is the definition.
I don't know anything about this answer so I cannot judge whether this works.

'doing whatever is necessary to' is the wordplay.
I cannot quite see how this works, but
'whatever' could be 'any' (anything whatsoever) and 'any' is found in the answer.
'to' is found in the answer.
This explanation may well be incorrect...

'make' is the link.

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