「She has a tongue of her own. の意味がわからないので、どなたか教えていただけませんか。」
Alcに無し。英国の表現か? 女(の子)に関しての表現のようだ。
http://www.google.com/search?hl=en&q=%22has+a+tongue+of+her+own
Anne of Green Gables -- Script
... She has a tongue of her own. ANNE: I suppose you're Mr. Matthew Cuthbert. My name is Anne Shirley. Anne is spelled with an "e. ...
greengables-1.tripod.com/script/1part1.html - 31k - Cached - Similar pages
She has a tongue of her own. 口の達者な子ね。(駅にアンを迎えに行った養父のマシューが駅員に言われた言葉。)