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Jyutping naau6 taai3 tou3
Pinyin nào tài tào

Definitions (Wiktionary)
  1. phrase, slang
    not at all (generally a stab at Huang Xiaoming (黃曉明) for his bad English)

鬧太套 [闹--]

Jyutping
Pinyin nào tài tào

Definitions (CC-CEDICT)
  1. (Internet slang) transcription of "not at all" – English words in a song promoting the 2008 Beijing Olympics sung by Huang Xiaoming 黃曉明|黄晓明[Huang2 Xiao3 ming2], who became a laughing stock in China because his pronunciation was perceived as embarrassingly bad
  2. to be a laughing stock
  3. to make a fool of oneself (i.e. equivalent to 鬧笑話|闹笑话[nao4 xiao4 hua5])