have an eye on

[have an eye on] or [have one's eye on] {v. phr.}, {informal} 1. Tolook at or think about (something wanted); have a wish for; have as anaim.

I bought ice cream, but Jimmy had his eye on some candy.

John has his eye on a scholarship so he can go to college.

Compare:IN MIND. 2. See: KEEP AN EYE ON(1).