on someone's radar (screen), among the things being considered by someone.
EX: The problem of trash disposal is on everyone's radar screen right now. EX: This status puts the city on the radar screens of big corporations.
Usage notes: often used with words like not, off, and under to mean that something is not considered.
EX: The disease is sometimes not even on a doctor's radar screen.
EX: Some of these companies operate under everyone's radar.
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