彼は問題の解決策を考え出そうとしたけど、無理でした。の英語

He tried to solve the problem, but had no luck.

He came up with the solution to the problem.

He tried to solve the problem, only to fail.

He finally hit upon a solution to his problem.

He tried in vain to solve the problem.

It appears that he has worked out a solution to his problem.

He solved the problem with ease.

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

He acted on the matter.

He tried to solve the problems himself.

I think it impossible for him to solve the problem.

I think it's impossible for him to solve the problem.

It is difficult for him to solve the problem.

I thought it impossible for him to solve the problem.

He racked his brains, trying to find a solution.

How did he work out the plan?

How did he work out the big problem?

John tried in vain to solve the problem.

This is the way he solved the problem.

He solved all those problems with ease.

He lost no time in solving the problem.

She thought well about that problem and resolved it.

He thinks that he cannot manage the problem well.

The problem perplexed him.

He made an attempt at a solution of the problem.

He tried to solve the problem.

He tried solving the problem.

I will solve all those problems.

He knows how to settle the problem right.

He solved the problem by himself.