look in the eye
To meet with a steady look; to face bravely or without shame.
Mary looked the gangster in the eye, and he turned away without hurting her.
John had looked death in the face many times.
We often believe a person who looks us in the eye, but it does not prove he is truthful.
U promised Harry to write to him while I was on vacation, and if I don't do it, I won't be able to look him in the eye.