Translation of "Bougent" in English

Mais plus souvent, elles bougent vite.

But more often, they move quickly.

Mais les choses bougent vite et dans la bonne direction.

But things are rapidly moving in the right direction.

C'est que nos yeux bougent rapidement et aléatoirement en va-et-vient,

is your eyes are moving back and forth rapidly and randomly,