What does it mean when a girl doesn't look in your eyes while you talking to her?

She doesn't like you and is ignoring you. She could possibly be lying to you.

Answer

I would never trust someone who can't look me in the eyes, or at least make some eye contact, while talking to me. If a person is extremely shy they may do this. Otherwise, I feel that someone who cannot look me in the eyes while talking has something to hide, they are not being honest, etc.