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Jyutping hei2 hyun1
Pinyin qǐ juàn

Definitions (Wiktionary)
  1. verb
    to remove dung, grass and soil (from a pigsty, sheepfold, etc.) and reuse as fertilizer
    (syn.) 出圈

起圈 [--]

Jyutping
Pinyin qǐ juàn

Definitions (CC-CEDICT)
  1. to remove manure from a cowshed or pigsty etc (for use as fertilizer)
  2. to muck out