as soon as, no sooner
Sitôt hors de vue, ils changent de cap.
As soon as they are out of sight, they change course.
— Porco Rosso (1992)
Tu ne me reverras peut-être pas comme ça de sitôt.
You might not see me like this again anytime soon.
Ben ça, ça sera pas de sitôt, hé !
Well, that won't be happening anytime soon, eh!
— Jean de Florette (1986)
Venez les mecs, on n'aura pas de sitôt l'occasion de tirer un coup.
Come on, guys, we won't get another chance to get laid anytime soon.
— Le Bateau (1981)
Sitôt leur réunion terminée, ils se mirent au travail.
As soon as their meeting was over, they got to work.