Translation of "Confine" in Spanish

Your boundaries don't confine me.

Tus límites no me confinan.

Confine your remarks to the matter we are discussing.

Restringe tus comentarios al asunto que estamos tratando.

And what happens when we confine certain names with certain depictions,

Y lo que sucede cuando restringimos ciertos nombres

While Caesar was being busy trying to expand his line of fortifications to confine Pompey

Mientras Caesar estaba ocupado tratando de expander su línea de fortificaciones para confinar a Pompey