A sure giveaway that he'd never seen active service before, either.

He should have taken some precaution to minimize or mask his personal smell, for it was a sure giveaway- Oh, Sheen had done that.

You said animals are a sure giveaway.

Caught in the middle of the exchange, Giordino was afraid of speaking, his voice a sure giveaway that he wasn't feminine.

The Cohe wands are the only sure giveaway.

I'd seed the perimeter with mines, only that would be a sure giveaway of our presence.

The boat floating empty in the canal after I abandoned it would be a sure giveaway.

His trip to the National Governor's Association meeting in Iowa earlier this month was a sure giveaway.

The voice was a sure giveaway.

Isn't that a sure giveaway and a trip up the river?