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Jyutping koi3 jin4
Pinyin kǎi rán

Definitions (CC-CANTO)
  1. verb; emotion: sigh; also means give generously:(i.e. with gifts)
Definitions (Wiktionary)
  1. adv
    with great emotion; full of emotion
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)