keep an eye on
I'm keeping an eye on you.
Keep an eye on her.
Keep an eye on him.
Garde un oeil sur les trois wagons avant !
Keep an eye on the three front cars!
— Demon Slayer : Kimetsu no Yaiba - Le film : Le train de l'Infini (2020)
Beauté, je veux dire m'man, garde un oeil sur Napoléon.
Beauty, I mean, Mom, keep an eye on Napoleon.
— L'Excellente Aventure de Bill et Ted (1989)