fides
忠实
n. （Fides）人名；（德、西、捷）菲德斯
例句
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。
《柯林斯英汉双解大词典》
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？
