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Jyutping jiu4 baai2 bat1 ding6
Pinyin yáo bǎi bù dìng

Definitions (CC-CEDICT)
  1. indecisive
  2. wavering
Definitions (粵典–words.hk)
  1. 形容詞
    立場​經常​轉換​,​難以​捉摸
    wavering
    • 呢個總統喺賓州 嘅民意搖擺不定。
      呢个总统喺宾州 嘅民意摇摆不定。
      ni1 go3 zung2 tung2 hai2 ban1 zau1 ge3 man4 ji3 jiu4 baai2 bat1 ding6
      Public opinions in Philadelphia towards this president have been wavering.
Definitions (Wiktionary)
  1. phrase, idiomatic
    to be irresolute; to shilly-shally
    (syn.) 犹豫不决, 猶豫不決
Examples (粵典–words.hk)
  1. Cantonese
    呢个总统喺宾州 嘅民意摇摆不定。
    呢個總統喺賓州 嘅民意搖擺不定。
    ni1 go3 zung2 tung2 hai2 ban1 zau1 ge3 man4 ji3 jiu4 baai2 bat1 ding6
    • Public opinions in Philadelphia towards this president have been wavering.