always have a book in one’s hand; be a diligent reader; be never seen without a book in hand; be diligent in one’s studies;be very studious
❍ 我经常看见他～。I always find him at his books.
手不释卷shǒu bù shì juàn
释：放下；卷：书。手里的书舍不得放下。形容非常爱读书。be very studious, always have a book in one’s hand