寒窗苦读: studying at a cold window - - the life of a poor scholar; persevere in one's studies in spite of hardships
她脉脉地注视着伏案苦读的儿子: she stared at her son studying at the desk with loving eyes
勤奋: diligent; assiduous; industrious; hardworking 短语和例子工作勤奋 be diligent in one's work; 非常勤奋的人 a man of great industry; 勤奋学习 be diligent at one's lessons; 他勤奋极了。 he is ever so diligent
