pessima fidesglossary / PESSIMA FIDES pessima fides (pes-[schwa]-m[schwa] fI-deez). [Latin] Hist. The worst faith. • The phrase appeared in reference to moral dishonesty. 词条贡献者 法律翻译Gianluca,毕业于英国一流的高级翻译学院,专注翻译各类与环境、土地及资源有关的法律文件。