in·gen·u·ous /ɪnˈdʒenjuəs/ adjectiveadj EXPERIENCED#HONESTan ingenuous person is simple, trusting, and honest, especially because they have not had much experience of life 阅历浅的，纯朴的，坦诚率直的 → disingenuous
—ingenuously adverbadv
—ingenuousness noun [uncountableU]