Pay attention to, take care of, as in You'd best look to your own affairs. [c. 1300]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use look to in a sentence
Gerald will talkI know himand I will cry, and how I would look to-morrow!Tessa Wadsworth's Discipline | Jennie M. Drinkwater
When each had asked the other, "How do I look to-night, dear?"Rose in Bloom | Louisa May Alcott
He gave me a look to-day that no man has given me in ten years and had eyes left open to look a second time.King Spruce, A Novel | Holman Day
It must look to-day almost exactly as it did to the approaching armies of the Middle Ages, except that the men-at-arms are gone.Cathedrals of Spain | John A. (John Allyne) Gade
This was a tropical summer, and the common, with its dancing lights dotted irregularly about it, had an unfamiliar look to-night.The Devil Doctor | Sax Rohmer