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
? 我經(jīng)常看見他～。I always find him at his books.
手不釋卷shǒu bù shì juàn
釋：放下；卷：書。手里的書舍不得放下。形容非常愛讀書。be very studious, always have a book in one’s hand