to watch for
Tu devais guetter la vieille dehors.
You were supposed to be watching for the old woman outside.
— Dans ses yeux (2009)
Attends, puisque t'es là, tu veux pas guetter le loup à ma place ?
Wait, since you're here, could you keep an eye out for the wolf for me?
— Heureux comme Lazzaro (2018)
Tout le monde va guetter notre réaction.
Everyone will be watching for our reaction.
— Infernal Affairs (2002)
Ça te plaît de guetter les gens dans le noir ?
Do you enjoy watching people in the dark?
— The Garden of Sinners, film 5 : Spirale contradictoire (2008)