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Jyutping zau2 haa6 bo1
Pinyin zǒu xià pō

Definitions (粵典–words.hk)
  1. 動詞
    變差​、​衰退
    to worsen; literally: to walk downhill
    • 佢嘅身體狀況一直走下坡。
      佢嘅身体状况一直走下坡。
      keoi5 ge3 san1 tai2 zong6 fong3 jat1 zik6 zau2 haa6 bo1.
      Her health keeps getting worse.

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Jyutping zau2 haa6 po1
Pinyin zǒu xià pō

Definitions (CC-CANTO)
  1. to go downhill; going down; to be on a downward path; to be on the decline
Definitions (Wiktionary)
  1. verb
    to go downhill; to deteriorate
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    顾客投诉量增加,可能代表生意正在走下坡。
    顧客投訴量增加,可能代表生意正在走下坡。
    gù kè tóu sù liàng zēng jiā , kě néng dài biǎo shēng yì zhèng zài zǒu xià pō 。
    • An increase in customer complaints could signal a decline in business.
Examples (粵典–words.hk)
  1. Cantonese
    佢嘅身体状况一直走下坡。
    佢嘅身體狀況一直走下坡。
    keoi5 ge3 san1 tai2 zong6 fong3 jat1 zik6 zau2 haa6 bo1.
    • Her health keeps getting worse.