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Jyutping wui5 taan4 m4 wui5 coeng3
Pinyin huì dàn wú huì chàng

Definitions (Kaifangcidian)
  1. 只會說不會做 – 只会说不会做

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Jyutping wui3 taan4 m4 wui3 coeng3
Pinyin huì dàn wú huì chàng

Definitions (CC-CANTO)
  1. all talk no action; only know how to say something but not how to do it