【十年寒窗】〖shí nián hán chung〗[persevere ten years in one's studies in spite of hardships; ten year's study at a cold window -- a student's long years of hard study]

十载书厢状元郎，

年轻力壮国栋梁。

寒来暑往创成果，

窗下剪烛恩爱享。

形容长年刻苦读书。describe long years hard reading.同：十年窗下、十载寒窗。