With your eyes open

The phrase "with your eyes open" is an idiomatic expression that means to be fully aware of what is happening around you, to be attentive and alert to the details of a situation, or to approach something with a clear and realistic understanding.

For example:

When making an important decision, it's essential to do it with your eyes open and consider all the possible outcomes.

She walked through the crowded market with her eyes open, taking in all the sights, sounds, and smells.

They entered into the business partnership with their eyes open, knowing that there would be challenges and risks involved.