hit the books
Explanation(説明)This idiom is used to say that someone is studying hard, especially if the studying is done intensively (such as for an upcoming exam).
Jorge had better start hitting the books--he's taking the TOEFL next month and he hasn't been studying much lately.I always intend to study everyday, but I never really hit the books until just before a test.
Exercises (練習)
Choose the best answer.