Однако родителям было сложно распис

Однако родителям было сложно расписаться в своем бессилии.

Результаты (английский) 1:

However, it was difficult for the parents to sign in his impotence.

Результаты (английский) 2:

However, parents have been difficult to sign for his impotence.

Результаты (английский) 3:

however, it was difficult for the parents to sign his own impotence.