Difficult
 
 
 
It was very difficult.
I found the test difficult.
This problem seems difficult.
English is difficult to learn.
This work is difficult for us.
He solved the difficult problem.
I found it difficult to please her.
I found it difficult to solve the problem.
I thought that book was difficult to read.
He found it difficult to please his father.
I found it difficult to get along with him.
I found it difficult to keep a diary every day.
I found it difficult to get along with my neighbor.
It's quite difficult to master French in 2 or 3 years.
I thought it would be difficult for her to get the tickets.
I think it's very difficult for an Englishman to imitate a real American accent.