背信弃义 (bèi xìn qì yì) — to break faith with someone; to betray a trust; perfidious

A formal four-character idiom meaning to betray trust or break a promise — strongly negative, used for serious acts of disloyalty, not minor disagreements.

idiom
to break faith with someoneto betray a trustperfidious

예문

  • 背信弃义
    Tā bèi xìn qì yì, bèi pàn le duō nián de lǎo péng you.
    He broke faith and betrayed an old friend of many years.
  • 背信弃义
    Zhè ge gōng sī bèi xìn qì yì, dān fāng miàn sī huǐ le hé tong.
    This company broke faith and unilaterally tore up the contract.
  • 背信弃义
    Wǒ men jué bú zuò bèi xìn qì yì de shì qing.
    We will never do anything that breaks faith.

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