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Jyutping gou1 gou1 hing3 hing3
Pinyin gāo gāo xìng xìng

Definitions (CC-CEDICT)
  1. cheerful and optimistic
  2. in a good mood
  3. gaily
Definitions (Wiktionary)
  1. adj
    very happy; delighted; joyous
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)