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研精竭虑 - Idiom detail

Idiom 研精竭虑
Pinyin yán jīng jié lǜ
Description 专心研究,尽力思考。
Example
Derivation 宋·张渂《云谷杂记·前辈读书》司马温公酷好扬子云《太玄》……自云‘少好其书,研精竭虑,历年已多,始敢为注。’”
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