absolute certainty
Are you absolutely sure?
Tenho certeza absoluta de que não quero me casar com você.
I’m absolutely sure I don’t want to marry you.
Tom disse que tinha certeza absoluta de que Mary faria isso.
Tom said he was absolutely certain that Mary would do it.
I am absolutely certain.
Tenho certeza absoluta de que o Tom não conhece a Mary.
I’m absolutely certain that Tom doesn’t know Mary.
I'm not absolutely sure.
Você tem certeza absoluta de que foi o Tom quem você viu fazendo isso?
Are you absolutely sure it was Tom you saw doing that?
Ainda não tenho certeza absoluta.
I'm still not absolutely sure.
Eu não viria com essa ideia se não tivesse certeza absoluta.
I wouldn't have come up with this idea if I wasn't absolutely sure.
— Drive (2011)