The range of heights which upheaves itself immediately behind Saarbruecken is capable of affording a serious obstacle to a hostile passage of the Saar.
The hill-road stretching from Horenowes to Trotina, if efficiently held, could not but be a serious obstacle.
The Black line had been so seriously damaged by the artillery that it did not in itself present a serious obstacle; on the other hand, the concreted farms and blockhouses were almost intact.
Here they found all bridges destroyed, so that the stream, some 20 feet wide, 5 feet deep, and with muddy banks and a soft bed, presented a serious obstacle.
The front line proved a serious obstacle to the tanks, in spite of their fascines, four of them becoming ditched in it on this battalion front.
Between them and Jaslo two railways ran along the valley of the River Jasliska, forming a serious obstacle to Von Mackensen's advance so long as the Russians could hold it.
Hill 114 on their right, where the Turks proved to be firmly intrenched, then proved a serious obstacle to the advance.
The ruins afforded, however, excellent cover for the Turkish troops and proved a serious obstacle to the advance of the British when they reached the shore.
Glazier and his friend soon discovered, however, that they were not expedited in their journey to any great extent--the streams being greatly swollen by the recent rains, formed a serious obstacle to their further progress.
They were greatly annoyed by a serious obstacle to their safe progress, which presented itself in the shape of a vast multitude of dogs, of all sizes and every variety of breed.
Besides this, the extreme unhealthiness of its most productive regions, the Choco and Barbacoas districts on the Pacific slope, has been a serious obstacle to foreign enterprise.
Civil wars have of course been a serious obstacle, but it was announced by President Reyes in 1907 that the revenues were increasing.
The soil is generally fertile and productive, but lack of transportation facilities has been a serious obstacleto any production greatly exceeding local demands.
A disproportion between the fetus got by a large stallion and the pelvis of a small dam is a serious obstacle to parturition, sometimes seen in the mare.
With the long fore limbs of the foal this readily occurs, and the resulting increase in thickness, both at the head and shoulder, offers a serious obstacle to progress.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "serious obstacle" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
