"It's not totally unheard of for students to seduce professors for better grades," she said.

Kathy had a vision for something totally unheard of - a touring Christian ballet troupe that would dance to the glory of God.

"It's a bugger," said a small and totally unheard voice from somewhere around their feet.

There was a tiny sawing noise, totally unheard amid the noise of the airport.

'Somebody eat it, for heaven's sake,' shouted Mort, totally unheard.

Such tactics made The Creeper more ominous than if he had been totally unheard.

That is strange, I agree, but not totally unheard of.

Most women don't have them until after the age of fifty, but it's not totally unheard of in medical circles.

Not only are they full brothers, they also look alike, which is totally unheard of.

That is totally unheard of anywhere in the world.