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Jyutping syut3 jat1 bat1 ji6
Pinyin shu yī bù èr

Definitions (Wiktionary)
  1. phrase, idiomatic
    to mean what one says; to stand by one's word

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Jyutping syut3 jat1 bat1 ji6
Pinyin shuō yī bù èr

Definitions (CC-CEDICT)
  1. to say one and mean just that (idiom); to keep one's word
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)