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Jyutping kau3 man6
Pinyin kòu wèn

Definitions (Wiktionary)
  1. verb, literary
    to enquire; to ask about
    (syn.) 问话, 探問, 咨問, 打听, 問訊, 了解, 谘询, 问, 查詢, 查询, 问讯, 探问, 探詢, 询问, 咨问, 查問, 查问, 問話, 讯问, 諮詢, 訊問, 問, 詢問, 打聽, 探询

扣問 [-问]

Jyutping
Pinyin kòu wèn

Definitions (CC-CEDICT)
  1. (literary) to inquire
  2. to ask
  3. question