eyes open

eyes open  {adj. phr.}

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.