keep to

keep to idiom
  1. Adhere to, conform to, as in Let's keep to the original purpose of this will. [Early 1600s]
  2. Confine oneself to, as in Whenever she didn't feel well, she kept to her bed. Also see keep to oneself.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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