Show of timidness? Could be. She can’t decide (3,2,2,3,5)

I believe the answer is:

she is of two minds

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'she can't decide' is the definition.
I know nothing about this answer so I can't tell whether this works.

'show of timidness? could be' is the wordplay.
'could be' is an anagram indicator.
'show'+'of'+'timidness'='showoftimidness'
'showoftimidness' anagrammed gives 'SHE IS OF TWO MINDS'.

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

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