The great obstacle to such a match was Richard's claim to having killed members of her family.

But even that may not prove to be a great obstacle.

The great obstacle for English male writers is getting over their university years.

Alcohol soon became an even greater obstacle to writing than the need to pay the bills.

For these busy people, a great obstacle has now been removed.

With no great obstacles in the way, he might lose interest.

A greater obstacle than the marketing will be buyer interest.

There are still a great many obstacles to be overcome along the way.

There are great economic, educational and social obstacles to using the networks.

And fewer have done so in the face of greater obstacles.