EYES OPEN

1. Careful watch or attention; readiness to see. - Usually used with "for". * /Keep your eyes open for a boy in a red cap and sweater./ * /The hunter had his eyes open for rabbits./ * /They drove on with their eyes open for a gas station./ Syn.: EYE OUT, KEEP ONE'S EYES PEELED. 2. Full knowledge; especially of consequences; understanding of what will or might result. - Used with "have" or "with". * /Automobile racing is dangerous. Bob went into it with his eyes open./ * /Betty had her eyes open when she got married./ Contrast: CLOSE ONE'S EYES.