A sudden roar from every side of the chamber, and the battle was joined.

Now there came the sudden roar of water in my head and then I saw the three waterfalls.

The room burst into activity again, a sudden roar after the calm.

A sudden roar of laughter from the next room attracted his eyes to the wall.

The car rolled slowly toward the road, then increased its power in a sudden roar.

Then I heard the sudden roar of a starting car.

I was turning to answer him when from the dusk in the direction of the house came a sudden roar.

No sooner were those words out, than a sudden roar erupted from the city.

The generals, calling for order, were barely heard above the sudden roar.

A sudden roar over the river cut me off in mid-sentence.