Reviewing material that has already been learned; revision to reinforce understanding or prepare for exams.
毎晩、授業のノートを見直して復習しています。
I review my class notes every night.
テスト前に復習用の問題集を一度全部解いた。
Before the test I worked through the entire review workbook once.
アプリで英単語の復習をするのが習慣だ。
I have a habit of reviewing English vocabulary with an app.