Mr Perks questioned them at length to establish their bona fides.

珀克斯先生最后质问他们如何证明自己的诚意。

柯林斯高阶英语词典

In doing this, it requires your bona fides and devotion.

做这件事需要你的真诚和投入.

期刊摘选

His bona fides was questioned.

人家怀疑他的诚意.

《现代英汉综合大词典》

Respondents must be enabled to check without difficulty the identity and bona fides of the Researcher.

被访者必须能够毫无困难地检查研究人员的身份和真实性.

期刊摘选

His bona fides are unquestionable.

他的诚意不容置疑.

辞典例句

Bona fides is my first choice of making friends.

真诚是我交朋友的首选.

期刊摘选

Mr Perks questioned them at length to establish their bona fides.

珀克斯先生最后质问他们如何证明自己的诚意。

柯林斯例句