柯林斯詞典bad faith 1. N intention to deceive; treachery or dishonesty (esp in the phrase in bad faith) 背信棄義 返回 bad faith劍橋詞典dishonest or unacceptable behaviour 欺詐；不良行爲 They acted in bad faith by selling her a car that they knew had problems . 他們做事沒有誠信，把明知有毛病的車賣給了她。 返回 bad faith