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Jyutping tau4 tau4 si6 dou6
Pinyin tóu tóu shì dào

Definitions (CC-CEDICT)
  1. clear and logical
Definitions (粵典–words.hk)
  1. 形容詞
    講解​得​好​清晰​、​有​條理
    spoken in a clear and orderly manner
    • 群眾覺得佢講嘢頭頭是道,但其實只係佢騙術高明。
      群众觉得佢讲嘢头头是道,但其实只系佢骗术高明。
      kwan4 zung3 gok3 dak1 keoi5 gong2 je5 tau4 tau4 si6 dou6, daan6 kei4 sat6 zi2 hai6 keoi5 pin3 seot6 gou1 ming4.
      People think he speaks in a clear and orderly manner, but in fact it is only that he is a great swindler.
Definitions (Wiktionary)
  1. phrase, idiomatic
    clear and logical; closely reasoned and well argued
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #4154
Examples (粵典–words.hk)
  1. Cantonese
    群众觉得佢讲嘢头头是道,但其实只系佢骗术高明。
    群眾覺得佢講嘢頭頭是道,但其實只係佢騙術高明。
    kwan4 zung3 gok3 dak1 keoi5 gong2 je5 tau4 tau4 si6 dou6, daan6 kei4 sat6 zi2 hai6 keoi5 pin3 seot6 gou1 ming4.
    • People think he speaks in a clear and orderly manner, but in fact it is only that he is a great swindler.