under somebody's nose

(right) under (one's) (very) nose

1. In a place easy to see or find. I've been looking all over for that invitation, and it was right under my nose the whole time!2. When one is physically present. I can't believe that one of my employees was falsifying records right under my nose.See also: nose

(right) under somebody’s ˈnose

(informal)
1 very close to somebody, even though they cannot see it: ‘Where are the car keys?’ ‘There, right under your nose.’
2 used to talk about something bad that happens over a period of time, but which nobody has noticed: Stealing from the kitchen has been going on right under their noses for years.See also: nose