The chief difficulty lay in making the first contact between the machines.

A further difficulty lay in the social context of the secondment.

The sides and the front were easy enough to trim, the difficulty always lay in the rear.

The difficulty now lay in the fact that there were two opponents, each coming from a different direction.

The difficulty then lay in the limits of early computers.

The difficulty, he said, lay in the configuration of the steps into the lobby.

He was the first man in a thousand years to focus the Fire, and, he knew what, difficulties lay ahead.

Rather, the difficulties lay in the ice prevalent at that time of year.

They made it seem as if the difficulty lay more with her than him, but they never explained.

Further difficulties lay in raising funds in the first place.