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Jyutping maau1 ngaan5
Pinyin māo yǎn

Definitions (CC-CEDICT)
  1. peephole
  2. chrysoberyl
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. noun, colloquial
    spyhole; peephole
  2. noun
    cat's eye
    (syn.) 貓睛, 猫睛
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 裝修居住:臺
    防盜眼、防盜門眼、門眼
  2. 裝修居住:陸
    窺視鏡、門鏡、貓眼
  3. 裝修居住:香
    防盜眼、防盜門眼、貓眼
  4. 裝修居住:澳
    防盜眼、防盜門眼、貓眼
Examples (粵典–words.hk)
  1. Cantonese
    睇你对熊猫眼,又打机啦寻晚。
    睇你對熊貓眼,又打機啦尋晚。
    tai2 nei5 deoi3 hung4 maau1 ngaan5, jau6 daa2 gei1 laa1 cam4 maan5.
    • Look at the dark circles under your eyes. You were playing video games the whole night again, weren't you?
  2. Cantonese
    边个打到你熊猫眼,我帮你揼鸠佢。
    邊個打到你熊貓眼,我幫你揼鳩佢。
    • Who give you the black eye? I will beat the shit out of him.