He studies very hard.

She studies hard.

She is a student who studies very hard.

You should work hard.

You should study harder.

He is diligent in his studies.

She is very hardworking.

Nancy studied hard.

He works hard so as to succeed.

Most students study hard.

I resolved to study harder.

I study math harder than English.

I study math harder than I study English.

I study math more seriously than I study English.

I study math harder than you do.

I study math as hard as English.

Study hard, or you will fail in the exam.

John works hard.

He is very zealous in his study of English.

He worked hard for fear that he should fail.

He works as hard as any other student.

That reads, We are the people. Well, I think there's a difference.

All you have to do is to work harder.

He studied hard in order to pass the examination.

She said that moore removed her for investigating too aggressively.

He studied Japanese eagerly.

She is always hard at work.

He studied hard day after day.

He works as hard as any other student.

He says that he will study English harder.

He is working hard in order to pass the entrance examination.

He's studying hard so he can pass the entrance exam.

He studies hard to pass the exam.

I studied hard in order to pass the examination.

If you study hard, you will become a good student.

We are studying hard in preparation for the exams.

I made up my mind to study harder.

Please, help us!

You must study much harder.

You only have to work hard.

So they're really talking about price inflation.

And that leads me to the second thing I tell my kids work hard.

You must study hard.

They felt weary after their hard work.

He worked hard lest he should fail.