Sardaukar stepped forward to the edge of the stage, not certain what to do.

But Scott, who seemed to have a certain edge, surprised her by not showing this.

"Trying to find the right key," I said, with a certain edge to my voice.

"The thrill of discovery has always lent a certain edge to the fun."

A certain edge is the group's stock in trade and part of what generally makes its performances exciting.

"Yes," I said with a certain edge to my voice.

The station, with a staff whose average age is 23, has brought a certain edge to an ancient language.

Every one of us needs a certain edge to perform.

Yes, there was a certain cruel edge to her personality.

"Now I shall decide what to do," he said, with a certain edge to his voice.