limit someone to something
1. to restrict someone to a certain amount or number of something. I will have to limit you to two helpings of mashed potatoes. I limit myself to cola drinks only.
2. to restrict someone to a certain area. Please try to limit your children to your own yard. They limited themselves to the north side of town.
limit something to something
to restrict something to a limited set, a certain amount, or a specific number of something. Please limit your comments to five minutes. Can you limit your remarks to the subject at hand?