An outright shameless falsehood, told with confidence.
e.g.
The car salesman assured me that the pre-owned red mustang had never been through an accident, never been dented and it is as fuel efficient as a Smart car. What a barefaced lie!
or
He told me a barefaced lie that the farmer could not
Dan and the vice president never really got along; I knew they would lock horns once they were put to work together.
or
They locked horns in the air and twirled in flight, both frantically beating their wings to keep them aloft. Claws locked in combat, and spiked tails wrapped around .
FIGHT USING ALL RESOURCES AT YOUR DISPOSAL e.g. You've been fighting tooth and nail for a place in show business with no success. or I'm gonnafight tooth and nailto keep him here because I think he's an outstanding coach.
e.g. Getting rid of bedbugs is a job and a half and I would rather move. or A girl is bikini-waxing her sister and then says while she is laughing : "This is a job and a half"
You tell me you can learn Chinese in two years? I will hold you to that. (promise)
or
"So you had better listen to me, because I swear, if I should fall before the end and you don't seem to be doing things properly, I'll get up again to give you a good finger-wagging."
"I'll hold you to that promise."
"You know, I think you'll be all right, even without my help."