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Jyutping jat1 pan4 jat1 siu3
Pinyin yī pín yī xiào

Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    every frown and smile; every facial expression
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

一顰一笑 [-颦--]

Jyutping
Pinyin yī pín yī xiào

Definitions (CC-CEDICT)
  1. every frown and every smile