Wiktionary
keep an eye out
vb. (context idiomatic English) To watch for, look for, or search for.
Usage examples of "keep an eye out".
Just so we can keep an eye out for him in case he tries to start any trouble.
It is true, the general asked me to keep an eye out for such an opportunity.
They will keep an eye out for him, put their feelers out, and try to locate him.
But we always have to keep an eye out for a possible later paper edition.
He asked me to keep an eye out for her stuff a while back, but it’.