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Jyutping siu3 hau2 jam4 jam4
Pinyin xiào kǒu yín yín

Definitions (CC-CANTO)
  1. (verb) smiling or grinning happily
Definitions (Kaifangcidian)
  1. 笑嘻嘻
  2. 笑吟吟
  3. 笑容滿面 – 笑容满面