discreditKK [dɪˋskrɛdət] /dɪˈskɹɛdət/發音dis- 不、相反+credit 信譽→使失去信譽展開收合dis-字首不、相反credit單字信譽字面：使失去信譽使人不再相信某人或某事，即詆毀、駁斥，也指不名譽的狀態。動詞1敗壞名聲、抹黑、詆毀常用被動His opponents spent months trying to discredit him in public.對手花了好幾個月，試圖在公開場合抹黑他。2駁斥、推翻、使不可信New evidence completely discredited the original theory.新證據徹底推翻了原本的理論。名詞1恥辱、不名譽正式His behavior brought discredit on the entire department.他的行為使整個部門蒙羞。2懷疑、不信任正式The scandal cast discredit on the whole investigation.這樁醜聞使整起調查受到懷疑。