[] () evidence showing that sb is what they claim to be or that what they say is true真诚；善意◆The firm asked for a reference to check the candidate's bona fides.公司要求提供一位证明人以核实应征者的诚意。SYNgood faith ⓘ Bona fides is a Latin phrase meaning ‘good faith’.bona fides 是拉丁语短语，即“善意”的意思。