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比喻費力鑽研不值得研究的或無法解決的問題。也比喻固執地堅持某種意見。
來自民間俗語。
「別鑽牛角尖了,換個角度想想。」
Data source: Ministry of Education Idiom Dictionary (data.gov.tw, OGDL). For reference only.
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