これは彼が自分で創った問題だ。の英語

This is a problem of his own making.

This problem is of his own making.

This is the way he solved the problem.

The problem perplexed him.

He has the subject at his fingertips.

He tried to solve the problem.

He tried solving the problem.

The problem perplexed him.

He is bound to solve this question.

He tried in vain to solve the problem.

He tried to solve the problems himself.

He acted on the matter.

He acted on the matter.

This problem is in his field.

He was the only boy who solved the problem.

He was the only boy that solved the problem.

He solved the problem by himself.

According to him, this problem was supposed to be solved.

How did he work out the plan?

He cast off the problem from his mind.

He is familiar with the subject.

He solved the problem with ease.

How did he work out the big problem?

He is viewing this problem calmly.

He wants to know why this problem occurred.

At last he solved the question.

At last, he solved the question.

At last, he solved the problem.

He put too much emphasis on the matter.

How is it that he solved the problem?