for somebody's eyes only
for (one's) eyes only
Only intended or authorized to be seen by one person or group in particular. This letter is for your eyes only, so don't let anyone else see it.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
for somebody’s eyes ˈonlyto be seen only by somebody: This letter is for your eyes only, so keep it locked in your desk.
Farlex Partner Idioms Dictionary © Farlex 2017