29 Mary was greatly troubled at his words and wondered what kind of greeting this might be.

Read Luke 1:29 Using Other Translations

And when she saw him, she was troubled at his saying, and cast in her mind what manner of salutation this should be.
But she was greatly troubled at the saying, and tried to discern what sort of greeting this might be.
Confused and disturbed, Mary tried to think what the angel could mean.