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Jyutping saan1 kau1 kau1
Pinyin shān gōu gōu

Definitions (Wiktionary)
  1. noun, Shanghainese-Wu
    a col

山溝溝 [-沟沟]

Jyutping
Pinyin shān gōu gōu

Definitions (CC-CEDICT)
  1. (coll.) remote valley; backwoods