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Jyutping mak6 bat1 zok3 seng1
Pinyin mò bù zuò shēng

Definitions (粵典–words.hk)
  1. x

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Jyutping mak6 fau2 zok3 sing1
Pinyin mò bù zuò shēng

Definitions (CC-CEDICT)
  1. to keep silent