bona fide

bona fide [ˈbəunəˌfaidi] n. [拉](=in good faith)真正的[地], 真诚的[地]; 诚实的[地]

1. ■ [pl. ][用作单][拉]诚意, 真诚

His bona fides was questioned. 人家怀疑他的诚意。