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Jyutping gau6 gu3
Pinyin jiù gù

Definitions (CC-CEDICT)
  1. old friend
  2. former acquaintance
Definitions (Wiktionary)
  1. noun, literary
    old acquaintance; old friend
    (syn.) 故舊, 老朋友, 旧知, 故友, 老相识, 故交, 老相識, 以前的朋友, 旧交, 故人, 故知, 老朋, 故旧, 舊友, 舊知, 老盆友, 舊交, 旧友
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)