solve the problem
Nadie pudo resolver el problema.
Nobody could solve the problem.
Me fue difícil resolver el problema.
I had a hard time solving the problem.
Todavía no he podido resolver el problema.
I still haven't been able to solve the problem.
Tengo que resolver el problema yo mismo.
I have to solve the problem myself.
Deberíamos actuar para resolver el problema.
We should take action to solve the problem.
Le es difícil resolver el problema.
He/She finds it difficult to solve the problem.
Estábamos intentando resolver el problema sin éxito desde hacía varias horas.
We had been trying to solve the problem unsuccessfully for several hours.
Es fácil resolver el problema.
The problem is easy to solve.
Mary fue capaz de resolver el problema sola.
Mary was able to solve the problem on her own.