fidelity

/fɪˈdeləti/ (bre, ipa) · [fədˈɛləti] /fɪˈdeləti/ (ame, ipa) · [fədˈɛləti] /fə-ˈde-lə-tē fī-/ (ame, mw)

fidelity — 名詞

1. a state of faithful dedication to a person, group, or belief, especially within

1.名詞B2
釋義

忠誠；忠貞

對伴侶、組織或信念的忠誠

a state of faithful dedication to a person, group, or belief, especially within a romantic relationship where both partners expect honesty and commitment.

例句

Padma valued fidelity in her marriage above everything else.

Padma 認為婚姻中的忠誠比一切都重要。

collocation: fidelity in marriage

The knight's fidelity to the crown was never questioned.

那位騎士對王室的忠誠從未被質疑過。

passive: fidelity to [institution] was never questioned

同義詞
  • loyalty

    more general; can apply to countries, teams, brands, whereas 'fidelity' often implies a deeper personal bond

  • faithfulness

    very close in meaning; 'faithfulness' sounds slightly more emotional, 'fidelity' more formal

  • allegiance

    chiefly used for loyalty to a country, government, or leader — less personal than 'fidelity'

反義詞
  • infidelity

    the direct opposite; specifically for sexual unfaithfulness in a relationship

  • disloyalty

    broader; covers betrayal of any person, group, or cause

文法句型

fidelity + to

用法筆記

Frequently paired with the preposition 'to' (fidelity to someone/something). The adjective 'faithful' is more common in everyday speech; 'fidelity' is noticeably more formal.

常見錯誤

❌She showed fidelity for her husband.
✅She showed fidelity to her husband.
💡The correct preposition after 'fidelity' is 'to', not 'for'.
❌His fidelity was unwavering toward the company.
✅His fidelity to the company was unwavering.
💡Keep 'fidelity' and the preposition close together in the sentence.

2. the extent to which a copy or reproduction of something — such as a sound record

2.名詞B2
釋義

精確；保真度

複製或還原的精確程度

the extent to which a copy or reproduction of something — such as a sound recording, image, or piece of information — matches the original in detail and quality.

例句

The new speakers offer excellent sound fidelity across all frequencies.

這款新喇叭在所有頻率上都有極佳的聲音還原度。

collocation: sound fidelity

Zuri was impressed by the high fidelity of the digital scan.

Zuri 對數位掃描的高保真度印象深刻。

同義詞
  • accuracy

    broader; can apply to any situation requiring correctness, not just reproduction

  • precision

    focuses on exactness of detail; more common in measurements than in audio/visual contexts

  • authenticity

    emphasises being genuine rather than a mere copy; closer to 'realness' than 'accuracy'

反義詞
  • distortion

    a change that makes a reproduction inaccurate, especially in sound or image

  • inaccuracy

    general lack of correctness; less specific to reproduction

文法句型

fidelity + of

adjective + fidelity

fidelity + to

用法筆記

Commonly modified by adjectives such as 'high', 'low', 'excellent', 'remarkable'. The fixed phrase 'high fidelity' ('hi-fi') is a standard term for high-quality audio equipment. Often used in technical writing about audio, video, imaging, and data.

常見錯誤

❌The sound system has good fidelity of sound.
✅The sound system has good sound fidelity.
💡Use 'fidelity' as a noun modifier ('sound fidelity'), not with the preposition 'of' following it.