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Jyutping liu2 ngaa4
Pinyin liāo yá

Definitions (Kaifangcidian)
  1. 剔牙

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Jyutping liu1 ngaa4
Pinyin liāo yá

Definitions (粵典–words.hk)
  1. 動詞
    用牙​籤​將​攝​喺​牙​罅​嘅​嘢​清​出​嚟
    to use a toothpick to remove food debris in between teeth
    • 佢揞住口撩牙。
      佢揞住口撩牙。
      keoi5 am2 zyu6 hau2 liu1 ngaa4.
      He covers his mouth and is cleaning his teeth with a toothpick.
Definitions (Wiktionary)
  1. verb, Cantonese
    to pick one's teeth
    (syn.) 剔牙, 挠喙齿, 撓喙齒

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Jyutping liu1 ngaa4
Pinyin liáo yá

Definitions (CC-CANTO)
  1. using a toothpick or any tool to remove food fragments from one's teeth
Examples (粵典–words.hk)
  1. Cantonese
    撩牙
    撩牙
    liu1 ngaa4
    • to use a toothpick to remove food debris in between teeth
  2. Cantonese
    拎枝牙签嚟撩牙。
    拎枝牙籤嚟撩牙。
    ling1 zi1 ngaa4 cim1 lai4 liu1 ngaa4.
    • get a toothpick to pick teeth.
  3. Cantonese
    佢揞住口撩牙。
    佢揞住口撩牙。
    keoi5 am2 zyu6 hau2 liu1 ngaa4.
    • He covers his mouth and is cleaning his teeth with a toothpick.