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Jyutping sai2 faat3
Pinyin xǐ fǎ

Definitions (Wiktionary)
  1. verb
    to wash one's hair

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Jyutping sai2 faat3
Pinyin xǐ fà

Definitions (CC-CANTO)
  1. to wash hair
Definitions (Wiktionary)
  1. verb
    to wash one's hair
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    你有洗发水吗?
    你有洗髮水嗎?
    nǐ yǒu xǐ fà shuǐ ma ?
    • Have you got shampoo?
  2. Mandarin
    你用哪种洗发水?
    你用哪種洗髮水?
    nǐ yòng nǎ zhǒng xǐ fà shuǐ ?
    • What kind of shampoo do you use?