彼はその問題を解こうとしたが無駄だった。の英語

He tried in vain to solve the problem.

He tried to solve the problem.

He tried solving the problem.

He found it difficult to solve the problem.

He tried in vain to solve the problem.

He tried to argue the matter away.

He tried to solve the problem, only to fail.

He was the only boy who solved the problem.

He was the only boy that solved the problem.

he dealt with the problem rather ineffectively

He solved the difficult problem easily.

It was easy for him to solve the problem.

He found no difficulty in solving the problem.

He found no difficulty in solving the problem.

He was able to solve the problem.

He acted on the matter.

He succeeded in solving the problem.

He succeeded in solving the question.

He exerted himself to solve the problem.

At last he solved the question.

At last, he solved the question.

At last, he solved the problem.

He solved the problem with ease.

He solved the problem with ease.

To his great joy, he succeeded in solving the problem.

He made an attempt at a solution of the problem.

He found no difficulty in solving the problem.

He acted on the matter.

He referred to the subject.

He tried in vain to solve the problem.