keep to

US /kiːp tuː/
UK /kiːp tuː/
"keep to" picture
1.

mantenerse en, ceñirse a

to obey a rule or to continue to do something without changing

:
You must keep to the speed limit.
Debes mantenerte en el límite de velocidad.
Let's keep to the original plan.
Vamos a mantenernos en el plan original.