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Jyutping hoi2 lam4 coi3
Pinyin kǎi lín sài

Definitions (CC-CEDICT)
  1. keirin cycle race (paced stadium event) (loanword from Japanese 競輪 "keirin")
Definitions (Wiktionary)
  1. noun
    keirin
    (syn.) 竞轮赛, 競輪賽