used to form adjectives that describe the way someone uses words to express their ideas and feelings

Coleman plays the part of the sharp-tongued (= severe and critical) lawyer. 科尔曼饰演那位说话尖酸刻薄的律师。

He was younger than her, in his forties, and had a silver-tongued charm (= said charming things). 他比她年轻，40多岁，很会讲话。