一生懸命働いたので彼は疲れているに違いない。の英語

He must be tired after such hard work.

He seemed to be tired from working hard.

That is probably because he is busy.

He must be tired.

As he had worked longer than usual, he felt tired.

Since he had worked longer than usual, he felt tired.

He felt tired because he had worked longer than usual.

He broke down from fatigue after his hard work.

He must be tired.

He must have been tired.

He is tired from overwork.

Although he was tired, he would not stop working.

I like him all the better for his diligence.

After all he has been through, he deserves a rest.

He was tired, but he kept working nevertheless.

He was very tired by hard work.

fatigue sapped his strength

He exhausted himself by staying up all night.

He carried on with his work although he was tired.

He works to the point of depression.

He was worn with care and anxiety [from overwork].

He worked very hard.

He did nothing but complain about his job.

He ruined his health by working too much.

As a consequence of overwork, he became ill.

He must work hard, for he has many people depending on him for support.

Toil and worry caused his health to break down.

He composed himself to do the delicate task.

That he was busy is true.

However hard he worked, he did not become any better off.