look somebody in the eyes

Từ điển Oxford Advanced Learner 8th

look sb in the ˈeye(s)/ˈface idiom
(usually used in negative sentences and questions)to look straight at sb without feeling embarrassed or ashamed
•Can you look me in the eye and tell me you're not lying?
•I'll never be able to look her in the face again!
Main entry: ↑eye_idiom