Her expertise is evident when dealt bad cards (3,4)

I believe the answer is:

dab hand

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'her expertise is evident' is the definition.
I can't tell whether this definition defines the answer.

'dealt bad cards' is the wordplay.
'dealt' indicates an anagram.
'cards' becomes 'hand' (I've seen this in other clues).
'bad' with letters rearranged gives 'dab'.
'dab'+'hand'='DAB HAND'

'when' is the link.

Can you help me to learn more?

(Other definitions for dab hand that I've seen before include "Past master" , "cursory wash?" , "An informal expert such as band had" , "Barely wash" .)

I've seen this clue in the Sydney Morning Herald.

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