keep an eye out for(redirected from keep a sharp eye out for)
keep an eye out for (something or someone)
To remain vigilant or carefully watchful (for something or someone). They should be arriving any minute, so keep an eye out for them. Keep an eye out for a Christmas present we could give your mother. Keep an eye out for the health inspector, we heard he'll be doing a surprise inspection someday soon.
keep an eye out for
Also, keep a sharp lookout for. Be watchful for something or someone, as in Keep an eye out for the potholes in the road, or They told him to keep a sharp lookout for the police. The first expression, sometimes amplified to keep a sharp eye out for, dates from the late 1800s, the variant from the mid-1700s. Also see have one's eye on, def. 1; keep a weather eye; keep one's eyes open; look out.