He works very hard.

She works very hard.

Tom works very hard, but not as hard as Mary.

He is not so much a genius as a hard worker.

John works hard.

He always works hard.

She works hard.

She is hard at work.

Does she work hard?

The young man whom I employed as my assistant works very hard.

He works hard and he is honest.

He works hard to earn his living.

People in Taiwan work hard.

Dad is a hard worker.

Work hard so that you can succeed.

He is studying hard so that he may become a lawyer.

He works hard to achieve his goal.

He works hard and never complains.

She works hard and never complains.

If he will not work hard, he will be fired.

She works hard in the office for a small salary.

He's not lazy. On the contrary, I think he's a hard worker.

Imagine if you could hear a story you didn't expect of somebody who wakes up every day and works very, very hard to make their life better.

It's really tough.

Tom is not a lazy boy. As a matter of fact, he works hard.

He worked very hard.

He studies very hard.

No. It's too hard.

You need to work very hard.

He received rough treatment.

She is very hardworking.

This is a very hard mattress.

Up to now they have worked very hard.

She must have studied very hard.

Today was a very tough day.

You don't know how hard it is to earn money. Your dad works so hard.

The elephant's skin is very tough.

Tom has worked hard all his life.

Work hard, or you'll have to take the same course again next year.

Work hard, or you'll have to take the same course again next year.

Though Jim works very hard, his job does not pay very much.

It has been a very difficult 2014 for Thailand.

You made the ending of your post very hard.

You look very tired. You must have been working too hard.

Also, it's not about that, only about that. You also have to work really, really hard.