LOS ANGELES:-Saoirse Ronan worried she sounded like a ''robot'' in 'Lady Bird'. The Irish actress is known for her ability to master different accents but while she struggled with the American tones of the titular character in the drama, she found the dialect of her eponymous character in historical drama 'Mary Queen of Scots' far easier to master. She told Britain's Harper's Bazaar magazine: ''[The accent] is how I get into the character.