keep your eyes open

keep (one's) eye(s) open (for someone or something)

To remain vigilant or carefully watchful (for something or someone). They should be arriving any minute, so keep your eyes open. Keep your eye open for a birthday gift we could give your mother. Tell everyone to keep their eyes open for the health inspector. We heard she'll be doing a surprise inspection someday soon.
See also: keep, open, someone
Farlex Dictionary of Idioms.

keep your eyes open

If you keep your eyes open for something, you look carefully at things in order to find something. Keep your eyes open for hostels advertised at bus and train stations.
See also: eye, keep, open
Collins COBUILD Idioms Dictionary, 3rd ed.

keep your eyes open (or peeled or skinned)

be on the alert; watch carefully or vigilantly for something.
See also: eye, keep, open
Farlex Partner Idioms Dictionary

keep your ˈeyes open/peeled/skinned (for somebody/something)

watch carefully (for somebody/something): Keep your eyes peeled, and if you see anything suspicious, call the police immediately.
See also: eye, keep, open, peel, skinned
Farlex Partner Idioms Dictionary
See also:
  • keep (one's) eye(s) open (for someone or something)
  • keep eyes
  • keep eyes open
  • keep eye out
  • keep (one's) eye(s) out (for something or someone)
  • keep (one's) eye(s) peeled (for something or someone)
  • keep (one's) eye(s) skinned (for someone or something)
  • keep eyes peeled
  • keep (one's) eye out for (someone or something)
  • keep an eye out for (someone or something)
References in periodicals archive
Instead, be patient and keep your eyes open. Think of a guy in your school you'd like to know better.
Guilty pleasure
"Sometimes it's hard to keep your eyes open because the days are so long.
We're not splitting up, say S Club
They're pricey, and there's no label information, but keep your eyes open: they're top quality gems that you'll probably never see again but are definitely worth having, if only for the graphic autobiographical insert...
Notes from the underground
* Keep your eyes open. Don't fall blindly in love; acknowledge that there will be problems.
Closer than the average co-worker
"Keep your eyes open fog them, and 'shop' for the fight lender for you.
Business owners can use the equity in building to grow
Still, he adds, if you do go to the new Trek movie this fall, keep your eyes open: It might be fun to see what science fact and fiction you can spot.
Star Trek: science on the edge
And if you're out and about you should keep your eyes open - you might even bump into Lady Gaga or Selena Gomez as you do your shopping today.
MTV fever.
And keep your eyes open for Schizo, featuring more of the same.
Haw! (Zine Thing)
"The best advice is to keep your eyes open for lower prices but not to drive around specially which would negate the saving.
Pumping up prices
So unless you plan to bring a parachute everywhere you go, keep your eyes open, and watch your ste-e-e-ep!
The world's most fantastic falls
He added: "You've got to keep your eyes open, prices are volatile and can change from day to day."
Watch out for rip-off; FUEL
"It's difficult to perform to the best of your ability at any level when you are so tired you can hardly keep your eyes open.
HIGHLAND AND MINOR FIXTURES
You are the only newspaper to keep your eyes open for consumers and the rip-offs we endure.
Letter: To the Point - Never let Diego by
So as you're walking around, keep your eyes open for unusual sights.
YourSay: Wherelsit?
ARE you struggling to keep your eyes open in the office?
MIRROR JOBS NORTHERN IRELAND: Why sleep can help business