iconoclast
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/aɪˈkɑːnəklæst/
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/aɪˈkɒnəklæst/
Someone who challenges and breaks established ideas or beliefs.
The scientist was considered an iconoclast for questioning the long-held theories of his field.
這位科學家因質疑他所在校的長期堅持的理論而被認為是一個打破傳統的人。