jat1 jin4 wai4 ding6一言為定一言为定
Jyutpingjat1 jin4 wai4 ding6
Yaleyāt yìhn wàih dihng
Definition
It's a deal; that is settled; a phrase used to confirm that a promise or agreement is final and cannot be broken.
colloquialcommunication
How it's used
This idiom functions as a verbal seal on an agreement or a promise. It is typically uttered at the very end of a conversation to confirm that the terms discussed are final and binding. It carries a sense of mutual trust and seriousness, often used between friends or colleagues to prevent future misunderstandings.
Examples
Meet at the MTR station at two tomorrow, it's a deal!
You said you would treat me to dinner, it's a deal, no backing out.
Related words
Common phrases
It's a deal, no backing out.
Grammar color guide
Noun
Verb
Adjective
Adverb
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Classifier
Particle
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Grammar guides
- TonesCantonese has six tones, and the tones can change in certain grammatical contexts. Learn the six tones and the rules for tone change.
- Time and datesClock time, days of the week, months, and years. The patterns you need to make plans and talk about when things happen.
- Modal verbsHow to say can, will, may, should, must, and want. The core modal verbs of Cantonese and the differences that trip up beginners.



