ㄕㄡˇㄅㄨˊˋㄐㄩㄢˋshǒubúshìjuàn

手不释卷
shǒubùshìjuànㄕㄡˇ ㄅㄨˋ ㄕˋ ㄐㄩㄢˋ
  1. 總是著書比喻勤奮好學 不論總是手不釋卷」。

lit. always with a book in hand (idiom)​, fig. (of a student or scholar)​ diligent and hardworking