jat1 sing4一成
Jyutpingjat1 sing4
Yaleyāt sìhng
Definition
Ten percent; one tenth.
colloquialnumbersmoney
How it's used
Refers specifically to a tenth part of a whole, often used when discussing discounts, commissions, or interest rates. Unlike Mandarin where percentages are often expressed using 百分之, Cantonese speakers frequently use 成 to represent units of ten percent in casual financial contexts.
Examples
This discount offers ten percent off.
Related words
Common mistake
Avoid confusing 一成 with 一分, as 一分 typically refers to one percent rather than ten percent.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- Directional complementsThe small words added after a verb to show direction of movement, like up, down, out, in, and back. Common in everyday Cantonese.
- DemonstrativesThis and that with 呢 and 嗰, the personal pronouns, and how 哋 turns I, you, and he into we, you all, and they.
- Resultative complementsSticking a result word onto a verb to show how it turned out, like eat until full or look and find. A productive everyday pattern.



