1 general:: Phrase(s): with (one’s) eyes (wide) open Fig. totally aware of what is going on. • I went into this with my eyes open. • We all started with eyes open but didn’t realize what could happen to us.
McGrawhill's American Idioms And Phrasal Verbs
2 general:: see KEEP ONE'S EYES OPEN; OPEN ONE'S EYES.
American Heritage Idioms