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Jyutping caang1 dou3 hang4
Pinyin chēng dào héng

Definitions (Kaifangcidian)
  1. 支持到底
  2. 全力支持

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Jyutping caang3 dou3 hang4
Pinyin chēng dào héng

Definitions (CC-CANTO)
  1. to hang tough; to stand one's ground [colloquial]
Definitions (粵典–words.hk)
  1. 語句
    支持​、​堅持​一樣​嘢​去​到​極點​,​無論​如何​都​唔​退​讓
    to support to the utmost