He was far too difficult for our people to understand.

The past few weeks had been difficult for them, he knew.

The year 2009 may have been difficult for some companies in the learning and development industry.

The last year or so has been difficult for me.

On the other hand, why make things difficult for himself?

Things must have been difficult for them during the war.

Life was difficult for the girl as she came to understand her situation a little better.

The last few years were very difficult for our family.

The next day is likely to be difficult enough for all of us.

I tried to let my face answer nothing, which is difficult for me.