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Jyutping naam4 ci3 so2
Pinyin nán cè suǒ

Definitions (CC-CANTO)
  1. (noun) male WC; man washroom
Definitions (Wiktionary)
  1. noun
    gentlemen's room; male bathroom
    (syn.) 男廁所, 男界 usually only written, 男廁
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    男厕所在二楼。
    男廁所在二樓。
    nán cè suǒ zài èr lóu 。
    • The men's room is on the second floor.
    • The men's toilet is on the first floor.