The disagreement about where they were to live had come to seem the only obstacle.
These were the only obstacles which appeared possible to the young man.
"Do you think Saddam is the only obstacle to democracy in our region?"
The only possible obstacle to the great change did not exist.
Their only real obstacle to this kind of action is getting the explosives.
The only obstacle, he said, is concern about the officials' safety.
And the reason she hadn't given him was now her only obstacle to happiness.
She thought I was the only obstacle to her getting it.
Their only remaining obstacle was getting through the main doors.
Cold wasn't the only obstacle that they might have encountered.