污點証人 [－点证－]

Jyutping wu1 dim2 zing3 jan4
Pinyin wū diǎn zhèng rén

Definitions (粵典–words.hk)
  1. 名詞
    參與​犯罪​但​願意​作供​指證​同伴​嘅​人​，​有時​係​為​咗​換取​減刑​或​撤控​（​量​詞​：​個​）
    suspect turned prosecution witness, sometimes in return for favorable treatment by the prosecution
  2. 參看
    污點證人