A terrific roar sounded from the partly opened window of the library.

While they were talking, they heard a 'terrific roar' and saw more heavy machinery moving past them.

As the car dived toward the gleaming water, a terrific roar sounded from above.

Suddenly a tawny figure broke from the brush with a terrific roar.

We had not yet reached the fringes of the crowd when there was a terrific roar behind me.

A sharp crackle from the fire was drowned in a terrific roar.

Before I had even time to get the rifle up, with one terrific roar the brute was on us.

All of a sudden there is a terrific roar and the lighthouse takes off at enormous speed.

There was a terrific roar behind them, the rock above cracked, shifted and moved about.

A terrific roar goes up as United's fans swell with hope!