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Jyutping gau2 lin4 waan4
Pinyin jiǔ lián huán

Definitions (Wiktionary)
  1. noun
    a Chinese folk toy/puzzle usually consisting of nine linked metal rings on a metal bar
  2. noun
    baguenaudier

九連環 [-连环]

Jyutping
Pinyin jiǔ lián huán

Definitions (CC-CEDICT)
  1. Chinese rings, a brainteaser toy consisting of nine rings interlocked on a looped handle, the objective being to remove the rings from the handle
Examples (Wiktionary)
  1. Mandarin
    九连环
    九連環
    jiǔ lián huán
    • a Chinese folk toy/puzzle usually consisting of nine linked metal rings on a metal bar