The first days at the college were full of difficulties for the teachers.

I had a lot of difficulties early in my life.

In other words, we know the kind of difficulties you have.

In fact, he was having a great deal of difficulty making himself think at all.

Think about any areas of difficulty which you experience with your school work.

And we had a good chance to point out to him some of the difficulties with our relationship.

We were close friends from then on, right up until the time of my difficulties.

It has been a time of difficulties, but we have come a long way.

You have helped me out of difficulties several times now.

In terms of difficulty, it can be considered as a blue run.