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Jyutping suk6 jan4 zi2
Pinyin shú rén zi

Definitions (Wiktionary)
  1. noun, Xiang
    acquaintance (person with whom one is acquainted)
    (syn.) 半熟脸儿, 相識, 所知, 知識, 熟似人, 熟人, 半熟臉兒, 相识, 知识