His quiet manner gives/lends his words the stamp of authority. 他稳重的态度使他的话听起来颇有威信。He is pale, dark, and authoritative, with the gravitas you might expect of a Booker prize winner.他脸色苍白,皮肤较黑,颇有威信,浑身透着一种布克奖得主应有的庄重。He has a commanding presence and deep, authoritative voice.他仪态威严,声音低沉,说话有威信。