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He simply pointed out a major obstacle of which I knew nothing.

Until recently, two major obstacles have stood in the way.

The issue was expected to be the major obstacle to any agreement being reached.

But two major obstacles stand in the way: money and management.

Of course, there are some major obstacles in the way.

Fuel is a major obstacle, as running out of it results in game over.

The major obstacles to this are time, money and political will.

Lack of support from parents is often a major obstacle.

"And various times I considered him one of our major obstacles."

Especially the difficult supply situation was thought to be a major obstacle.

In the short term, perhaps the most serious obstacle is a problem of deep theory.

In the years to come, he faces more serious obstacles.

This would seem to be a serious professional obstacle, but apparently not.

The official speaking today said such a test would create "serious obstacles to peace."

However, there are a few serious obstacles in the way of his return.

For now, the most serious obstacle to the project appears to be political.

A serious obstacle was the lack of funds with which to buy arms.

This difference is a serious obstacle in building a common identity.

It is taking some time, but I do not see any serious obstacles.

Vines can be a serious obstacle even for those who simply want to get past them.

Most registered religious groups reported no serious legal impediments to their activities during the reporting period.

The program found each doctor had serious impediments to continuing in practice.

To be sure, costs are a serious impediment for many families.

Compassion can be a serious impediment to the practice of medicine.

Problems in the housing market are a serious impediment to a stronger economic recovery.

Data - blood or urine - must still be shipped to them, a serious impediment to third world care.

He says the proposal is a threat to easier lending and a serious impediment to economic growth.

One must look to their domestic policy dilemmas for more serious impediments to growth.

It is true that what could be called "frozen conflicts" are a serious impediment to the development of the region.

The growing crowd, he said, was becoming a serious impediment to their excavations, especially the boys.