学業をおろそかにするなんて、君はばかだ。の英語

It is silly of you to neglect your studies.

You do your best with studying.

You must learn from your mistakes.

It is your duty to study.

It's unusual for you to study.

If you will only work hard enough, you must succeed―you will be sure to succeed.

Don't neglect your studies.

All you have to do is (to) work hard.

Study or don't--it's up to you.

It's up to you whether you study or not.

You are very active about studying.

Please do your best with studying.

If you would only work hard, you would succeed.

You have only to study hard.

You will study.

You do not work hard enough

You are wanting in diligence.

It will pay you to study hard.

Mere scholarship will not win success for you.

I should be glad if you got the job.

All you have to think about is devoting yourself to your studies.

You must put an end to your foolish behavior.

It will be to your advantage to study hard now.

Have your studies progressed?

I am very sorry to disturb you in your studies.

Maybe you are working too hard.

Don't cut your classes so often.

If you would only be earnest in your endeavours, you would be sure to get on.

You have only to study hard.

There is no point in studying if you are feeling tired.