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Jyutping haau2 man6
Pinyin kǎo wèn

Definitions (Wiktionary)
  1. verb
    to torture and interrogate
    (syn.) 拷问, 拷問
  2. verb
    to examine orally; to question
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    思考问题
    思考問題
    si1 haau2 man6 tai4
    • to ponder a problem