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一言為定

简 一言为定 · 繁 一言為定
Mandarin · pinyin yī yán wéi dìng

Meanings

  1. (idiom) it's a deal
  2. that's settled then
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Characters in this entry

一
yī · one; a, an; alone
言
yán · words, speech; speak, say; Kangxi radical 149
為
Look up this written character
定
dìng · decide, settle, fix
为
wèi · do, handle, govern, act; be
Written characters and their own readings; the entry’s pronunciation is shown above.

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Entries containing 一言為定 ↗Words written with 一 ↗Words written with 言 ↗Words written with 為 ↗Words written with 定 ↗Words written with 为 ↗

Mandarin tones

1–2–2–4 · yi1 yan2 wei2 ding4

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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

jat1 jin4 wai4 ding6

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) that's settled then; it's a deal

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

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