But to produce actual action was a far more difficult matter.

"I thought you had questions about matters difficult to understand."

It was no very difficult matter for the boy to call tears into his eyes.

Determining whether or not they have done so is a quite different and sometimes difficult matter.

The father said it was a difficult matter to decide.

"My lord, I feel certain it was a most difficult matter."

To do other than she wills is a difficult matter.

But spends far too little time on these critical and difficult matters.

That also remains a very difficult matter, even with women.

I would now like you to try your hand at a more difficult subject matter.