I tried to think of a convincing lie, but my brain was too exhausted.
"Why won't you even have the courtesy to give me a convincing lie?"
She had seen the technique used before - don't give the victim a chance to think of a convincing lie.
After we parted, I walked along the deserted road, trying to think up a convincing lie.
We'll need to make up a few fairly convincing lies, but that's no problem for professionals.
"I've gotten to know you pretty well over the past year, and I don't think you're capable of telling a convincing lie."
Competitors from around the world have five minutes to tell the biggest and most convincing lie they can.
That'll give them time to devise a convincing lie to explain everything, yet reveal nothing.
Studies show it's harder to tell a convincing lie to someone you find sexually attractive.