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Jyutping paak3 tung1 tou3
Pinyin pāi tōng tào

Definitions (Wiktionary)
  1. verb, Min-Nan
    to collude with (each other); to gang up; to conspire
    (syn.) 勾, 勾結, 串通, 勾结, 結構, 结构, 斗空, 勾搭, 串, 交通