It seemeth that she did not only hear a voice, and saw an ordinary appearance, but the appearance of the angel was attended with some manifestation of the glory of God, which affected her, and made her wonder what the meaning of this should be, that God should send an angel to her, and with such a kind of salutation.
Related Commentaries of Luke 1:29
Luke 1:29
29 And when she saw him, she was troubled at his saying, and cast in her mind what manner of salutation this should be.