redoubtable/rɪˈdaʊ.t̬ə.bəl/形容词(尤指性格方面)强的;可敬的;令人敬畏的Tonight he faces the most redoubtable opponent of his boxing career.今晚他面对的是他拳击生涯中最强大的对手。想跟读,去练习