/boʊld/ ADJ (of a person, action, or idea) showing a willingness to take risks; confident and courageous (人,行动,主意)大胆的,有冒险精神的,自信而勇敢的;A bold attempt to solve the crisis; A bold attempt is half success; adj.冒失的,鲁莽的;明显的,轮廓突出的;粗体的,黑体的;<文>陡峭的 n. 黑体,粗体