to study diligently 刻苦钻研 ; 夙兴夜寐 ; 磨杵成针 ; 磨穿铁砚
study diligently the knowledge 勤奋学习知识
Study diligently well ask 勤学好问
I need to study diligently 我需要努力读书
Study Diligently And Train Hard 勤学苦练
Study Diligently And Unremittingly 磨穿铁砚
In school study diligently 在校学习努力
Studies the study diligently 努力学学习
She in school study diligently 她在学校学习努力
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