Crossword Genius

Be successful with peg that's left behind (2,4)

Ross

I believe the answer is:

do well

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

'be successful' is the definition.
I can't tell whether this definition defines the answer.

'peg that's left behind' is the wordplay.
'peg' becomes 'dowel' (a dowel is a wooden peg).
'that's left' becomes 'l' (common abbreviation).
'behind' is a charade indicator (letters next to each other).
'dowel'+'l'='DO WELL'

'with' is the link.

Can you help me to learn more?

(Other definitions for do well that I've seen before include "Flourish" , "boom" .)

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