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Jyutping lyun6 gaau2 saam1 cin1
Pinyin luàn gǎo sān qiān

Definitions (Wiktionary)
  1. verb, Xiang
    to muck around; to fool around
    (syn.) 乱搞一百六, 亂搞, 胡搞, 乱搞一百几, 乱搞, 亂搞一百幾, 亂搞一百六