I wanted to show you my bona fides for cooperation.

我想向你表明我对合作的诚意

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

珀克斯先生详细地询问他们以确定其诚意。

His bona fides was questioned.

人家怀疑他的诚意。

Now that everyone has established their bona fides, should we put our guns away?

现在大家都见过面了，是不是应该把枪放下？

The concept of Bona Fides is the reflection of the abstract notion of Fairness in Contract Law.

诚信概念是极端抽象的公平观念在合同法中的反映。

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。