faithfully基本解释
adv,忠实地；如实地；诚心诚意地；深信着地,同近
He had served the family faithfully for 40 years..他已忠心耿耿地为这家人服务了40年。
忠实地；如实地；诚心诚意地；深信着地英释中释advin a loyal way
