But to get into the office and up to the clerk's little window was a much more difficult business.

It was making business extremely difficult in the money markets.

But for the most part, film making remains a difficult business in which to survive.

It is important not to go on for too long, or to leave difficult business unfinished.

A reason not to involve himself in the difficult business of running an estate?

It had been a difficult business getting the collar off even so.

"It's a real difficult business to make money in right now."

It's a very difficult business in which to carry on a relationship.

Speaking the truth, he'd learned long ago, was a difficult and dangerous business.

It is indeed a difficult business, because we can only have three items.