Beryl wears a not very convincing smile throughout the entire thing.
So he settled for giving him his best sincerely convincing smile.
Val produced what she hoped was a convincing smile.
She smiled a not very convincing smile and leaned her head on his shoulder.
"You're probably right," Edna said, trying valiantly to give her mother a convincing smile.
He doesn't manage a convincing smile with the last words.
She stands in front of us with a convincing smile.
She came up to him with a tentative and not very convincing smile.
He brought the drink to her, and she gave him a convincing smile of thanks.
Awards will be handed out for the most convincing smiles.