跟官咁耐唔知官姓乜 [－－－－－－－－－]

Jyutping gan1 gun1 gam3 noi6 m4 zi1 gun1 sing3 mat1
Pinyin gēn guān gàn nài wú zhī guān xìng miē

Definitions (Wiktionary)
  1. phrase, Cantonese, idiomatic
    to not understand anything about someone despite having known them for a long time

跟官咁耐唔知官姓乜 [－－－－－－－－－]

Jyutping gan1 gun1 gam3 noi6 m4 zi1 gun1 sing3 mat1
Pinyin gēn guān hán nài wú zhī guān xìng miē

Definitions (粵典–words.hk)
  1. 語句
    意思​指​同一​個​人​相處​咗​咁​耐​，​都​唔​了解​佢​；​有時​可以​喺​「​唔​知​」​前面​加副詞​「​都​」
    used to describe a person who stays along with somebody but still understands nothing about him/her; sometimes with the adverb 都dou1 before 唔知
    • 你真係吖，跟官咁耐都唔知官姓乜，我鍾意食飯㗎嘛。
      你真系吖，跟官咁耐都唔知官姓乜，我钟意食饭㗎嘛。
      nei5 zan1 hai6 aa1, gan1 gun1 gam3 noi6 dou1 m4 zi1 gun1 sing3 mat1, ngo5 zung1 ji3 sik6 faan6 gaa1 maa3.
      How come! You've got along with me for a long time, but still don't know me well! Don't you know I like eating rice?