perfidy

IPA/ˈpɜːfədi/
KK[pˈɚfɪdi]IPA/ˈpɜːrfədi/

perfidy — 名詞

1. a shameful lack of loyalty, especially when someone turns against a person, grou

1.名詞C2
釋義

背信;不忠

背棄信任、缺乏忠誠的行徑或品性

a shameful lack of loyalty, especially when someone turns against a person, group, or cause that trusted them.

例句

Council members were shocked by Marco's perfidy after years of public promises.

Marco 多年來一直公開作出承諾,但他的背信仍讓議會成員十分震驚。

perfidy after repeated promises in public life

The novel shows a court ruined by perfidy, gossip, and broken oaths.

這本小說描寫一個宮廷如何因背信、流言與違背誓言而走向崩壞。

常見搭配
  • political perfidy
  • perfidy toward allies
  • accuse someone of perfidy
同義詞
  • treachery

    close in force, but often stresses deceit as strongly as disloyalty

  • disloyalty

    broader and more everyday, with less dramatic moral judgment

  • faithlessness

    often used for breaking personal or romantic loyalty

反義詞
  • loyalty

    continuing faithfulness to a person, group, or cause

  • fidelity

    more formal word for firm faithfulness

用法筆記

Often used for an ongoing pattern of betrayal in politics, war, or close relationships. Distinguish from sense 2 when you mean a broader lack of loyalty rather than one clearly identified act.

常見錯誤

The room was full of perfidy after the argument.
The room was full of distrust after the argument.
perfidy names disloyal conduct, not a general tense feeling in a place.

2. a single planned betrayal in which someone secretly sells out a person or side t

2.名詞C2
釋義

背叛

一次蓄意出賣信任的行為

a single planned betrayal in which someone secretly sells out a person or side that relied on them.

例句

Lan never forgave the perfidy of selling the map to enemy troops.

Lan 一直無法原諒把地圖賣給敵軍的那次背叛。

the perfidy of + -ing naming one betrayal

The leak was not a mistake but a calculated perfidy against the team.

那次洩密不是失誤,而是對團隊蓄意的背叛。

常見搭配
  • the perfidy of leaking the plan
  • a perfidy against the crown
  • forgive the perfidy
同義詞
  • betrayal

    the broad everyday term, less literary and less judgment-heavy

  • double-cross

    informal and vivid, often for a sudden act against a partner

  • treacherous act

    spells out the idea in plainer words, but sounds less fixed

反義詞
  • faithfulness

    staying true instead of turning against someone

  • loyal act

    an action that protects trust rather than breaking it

用法筆記

Usually points to one clearly identifiable betrayal, often named with of plus an -ing form or by describing the act after the noun. Distinguish from sense 1, which describes a wider state of disloyal behaviour.

常見錯誤

Missing the meeting was a perfidy.
Selling the team's plan to a rival was a perfidy.
perfidy is a grave betrayal of trust, not an ordinary mistake or failure.

同根字

  • perfidious
    形容詞C2
  • perfidiously
    副詞C2
  • perfidiousness
    名詞C2

常見搭配

名詞搭配

  • act of perfidy
  • charge of perfidy

常用片語

  • accuse someone of perfidy
  • denounce the perfidy of

介系詞搭配

  • perfidy against
  • perfidy of
  • perfidy toward