look somebody in the eye/face

look someone in the face

 and look someone in the eye; stare someone in the face
Fig. to face someone directly. (Facing someone this way is a sign of sincerity.) I don't believe you. Look me in the eye and say that, She looked him in the face and said she never wanted to see him again.
See also: face, look

(be unable to) look somebody in the ˈeye(s)/ˈface

(be unable to) look at somebody directly (because you feel embarrassed, ashamed, etc.): I knew he was lying because he wouldn’t look me in the eye when he spoke.
See also: eye, face, look, somebody