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Jyutping seoi2 sing3 joeng4 faa1
Pinyin shuǐ xìng yáng huā

Definitions (CC-CEDICT)
  1. fickle (woman)
Definitions (粵典–words.hk)
  1. 形容詞
    形容​女性​淫​蕩
    slutty
    • 佢嘅水性楊花令到男友決定同佢分手。
      佢嘅水性杨花令到男友决定同佢分手。
      keoi5 ge3 seoi2 sing3 joeng4 faa1 ling6 dou3 naam4 jau5 kyut3 ding6 tung4 keoi5 fan1 sau2.
      Her slutty nature makes her boyfriend decide to break up with her.
Definitions (Wiktionary)
  1. phrase, idiomatic, of a woman
    frivolous; fickle; lascivious
    (syn.) 楊花水性, 杨花水性
  2. noun
    An aquatic plant, Ottelia acuminata var. crispa, endemic to Southern China and consumed as food.
    (syn.) 波叶海菜花, 波葉海菜花
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    佢嘅水性杨花令到男友决定同佢分手。
    佢嘅水性楊花令到男友決定同佢分手。
    keoi5 ge3 seoi2 sing3 joeng4 faa1 ling6 dou3 naam4 jau5 kyut3 ding6 tung4 keoi5 fan1 sau2.
    • Her slutty nature makes her boyfriend decide to break up with her.