noun
1
BAD : It was this film that first aroused my curiosity on Korean culture.
GOOD : It was this film that first aroused my curiosity about Korean culture.
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curiosity about sth : 'The article was inspired by her curiosity about plants and medicine.'
2
BAD : Several passers-by stopped to look at the strange bicycle from curiosity.
GOOD : Several passers-by stopped to look at the strange bicycle out of curiosity.
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You do or ask something out of curiosity (NOT from ): 'Just out of curiosity, what made you decide to marry him after all?'