With all of those men gone, it must have been difficult for her on the farm.

It's getting more difficult and too hard on the body.

"It's difficult on a man to be away from home."

This may be difficult on a chair arm, but it is worth a try.

The last day and a half had been difficult on so many levels.

They can create noise that makes it difficult on the other team.

It was difficult on the beach, but we didn't stop.

Of course it's been rather more difficult on a boat.

Also if you already have children, which we do (one) that's going to be difficult on both.

Divorce is difficult on all parties involved in the process, including the children.