douter
Don't start doubting everything.
Ne commence pas à douter de tout.
— Suck Me Shakespeer (2013)
I'm just doubting that you are.
Je doute simplement que tu le sois.
— Psycho (1960)
You are always doubting my word.
Tu doutes toujours de ma parole.
What are you doubting, sir?
De quoi doutez-vous, monsieur ?
— The Age of Shadows (2016)
You're always doubting my word.
He started doubting his decision.
Il a commencé à douter de sa décision.
“A proposition which I took the liberty of doubting.”
Une proposition que je me suis permis de mettre en doute.