聚精会神 (聚精會神) jù jīng huì shén

jù jīng huì shén set phrase to concentrate all one's attention / total concentration
Domain: Idiom 成语
Notes: (CC-CEDICT '聚精會神'; CCI '聚精会神', pp. 84-85; Guoyu '聚精會神')

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Truncated for common words