Such talk in the face of disaster is necessary and admirable - but not terribly convincing.

Surely you understand that this explanation is not terribly convincing or believable.

Her Josephine is not a terribly convincing 18th-century woman of affairs, especially one who reportedly had rotten teeth.

'He was terribly convincing with David and me,' broke in Marie.

He says it's something that might interest him, but he's not terribly convincing.

Donal never sounded terribly convincing when he said any of these things.

A person can be terribly convincing feeling like that.

The standard disclaimer about "any resemblance to real persons" is not terribly convincing.

Luntz, after all, has never made for a terribly convincing conservative ideologue.

"That's right," the blond Q added, attempting a not terribly convincing smile.