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Jyutping wun6 tong1 m4 wun6 joek6
Pinyin huàn tāng wú huàn yào

Definitions (粵典–words.hk)
  1. 語句
    淨​係​改變​一樣​嘢​嘅​外型​或者​形式​,​但​係​內容​其實​係​一​樣​嘅​;​含​貶義
    (derogatory)to change the appearance or form but not the essence; to make superficial changes; literally: to change the decoction but not the medical ingredients
  2. 近義詞
    舊酒新瓶
  3. 參看
    換湯不換藥