勉べん強きょうに励はげむ

expression, godan verb (-mu)

work hard at one's studies; apply oneself to one's lessons

A set phrase meaning to diligently engage in study or schoolwork. Often used in educational or self-improvement contexts.

• 彼かれは毎まい日にち遅おそくまで勉べん強きょうに励はげんでいる。

  He works hard at his studies until late every day.

• 試し験けんに合ごう格かくするために、勉べん強きょうに励はげんでください。

  Please apply yourself to your studies in order to pass the exam.