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一成不變

简 一成不变 · 繁 一成不變
Mandarin · pinyin yī chéng bù biàn

Meanings

  1. (idiom) immutable; impervious to change; set in stone
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Characters in this entry

一
yī · one; a, an; alone
成
chéng · completed, finished, fixed
不
bù · no, not; un-; negative prefix
變
Look up this written character
变
biàn · change, transform, alter; rebel
Written characters and their own readings; the entry’s pronunciation is shown above.

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Entries containing 一成不變 ↗Words written with 一 ↗Words written with 成 ↗Words written with 不 ↗Words written with 變 ↗Words written with 变 ↗

Mandarin tones

1–2–4–4 · yi1 cheng2 bu4 bian4

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Dictionary tones. Connected speech can change their realization.

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Counts describe dictionary records, not word frequency or semantic similarity. Source identities stay separate.
Compare dictionary sources Wiktionary · 1 sense · 1 Cantonese reading

Rime Cantonese 粵拼

jat1 sing4 bat1 bin3

Cantonese word readings for 一成不變. This lexicon supplies readings, not definitions.

CanCLID contributors · CC BY 4.0 · source & license · Data pack

jat1 sing4 bat1 bin3

Pleco · CC BY-SA 3.0 · Word reading; meanings not aligned.

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

phrase

  1. (idiomatic) immutable; unchangeable

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack