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Jyutping tin1 coeng4 dei6 gau2
Pinyin tiān cháng dì jiǔ

Definitions (CC-CEDICT)
  1. enduring while the world lasts (idiom)
  2. eternal
Definitions (粵典–words.hk)
  1. 語句
    一直​持續​落去​,​直到​永遠​,​就​好似​天地​一樣​咁​長​久
    everlasting; eternal; to last as long as the heavens and the earth
Definitions (Wiktionary)
  1. phrase, idiomatic
    enduring as the universe; everlasting and unchanging
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #4070
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    不求情意绵绵,但求天长地久。
    不求情意绵绵,但求天長地久。
    bù qiú qíng yì mián mián , dàn qiú tiān cháng dì jiǔ 。
    • Love me lithe, love me long.