with one's eyes open

with one's eyes open idiom
Fully aware, as in We started this project with our eyes open and are not surprised at the results. [First half of 1900s] Also see keep one's eyes open.

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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