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Jyutping caa4 gaa1 zaak2
Pinyin chá jiā zhái

Definitions (粵典–words.hk)
  1. 動詞
    本來​指查​某人​住所​嘅​資​料​,​引申​指對​某人​作出​大量​過於​私人​同詳​細​嘅​提​問
    to look up the information of one's residence; figuratively, to make an overly-detailed and personal inquiry into somebody
    • 而家你做問卷定查家宅啊?
      而家你做问卷定查家宅啊?
      ji4 gaa1 nei5 zou6 man6 gyun2 ding6 caa4 gaa1 zaak2 aa3?
      Are you doing a survey or asking for very personal details?

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Jyutping caa4 gaa1 zaak6
Pinyin chá jiā zhái

Definitions (CC-CANTO)
  1. thorough investigation of someone's background; to be over-inquisitive
Definitions (Wiktionary)
  1. verb, Cantonese, verb-object
    to get to the bottom of someone
Examples (粵典–words.hk)
  1. Cantonese
    查家宅
    查家宅
    caa4 gaa1 zaak2
    • to perform a background check
  2. Cantonese
    而家你做问卷定查家宅啊?
    而家你做問卷定查家宅啊?
    ji4 gaa1 nei5 zou6 man6 gyun2 ding6 caa4 gaa1 zaak2 aa3?
    • Are you doing a survey or asking for very personal details?
  3. Cantonese
    查家宅
    查家宅
    • to do a thorough background check on a person and his/her family