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Jyutping saa2 lau4 man4
Pinyin shuǎ liú máng

Definitions (Wiktionary)
  1. verb
    to behave like a hooligan; to act in a dirty or indecent manner
    • 不以結婚為目的的戀愛都是耍流氓。
      不以结婚为目的的恋爱都是耍流氓。
      bù yǐ jié hūn wéi mù dì de lià nài dōu shì shuǎ liú máng .
      All love relationships lacking the intention of progressing to marriage are acts of hooliganism. (common saying)
Examples (Wiktionary)
  1. Mandarin
    不以结婚为目的的恋爱都是耍流氓。
    不以結婚為目的的戀愛都是耍流氓。
    bù yǐ jié hūn wéi mù dì de lià nài dōu shì shuǎ liú máng .
    • All love relationships lacking the intention of progressing to marriage are acts of hooliganism. (common saying)