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Jyutping sing3 mou4 nang4
Pinyin xìng wú néng

Definitions (CC-CANTO)
  1. sexual dysfunction; sexual impotence
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. verb
    to suffer from erectile dysfunction; to be impotent
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    老公性无能,我该怎么办?
    老公性無能,我該怎麼辦?
    lǎo gōng xìng wú néng , wǒ gāi zěn me bàn ?
    • My husband is impotent. What should I do?
    • What should I do if my husband is impotent?