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Jyutping ceoi1 saau3 jan4
Pinyin chuī shào rén

Definitions (Wiktionary)
  1. noun
    whistleblower (one who tells the public or someone in authority about alleged dishonest or illegal activities)
    (syn.) 吹哨者

吹哨人 [---]

Jyutping
Pinyin chuī shào rén

Definitions (CC-CEDICT)
  1. whistleblower