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Jyutping lin4 zuk6 zyun2
Pinyin lián zhóu zhuǎn

Definitions (Wiktionary)
  1. phrase, idiomatic
    to work non-stop, to work around the clock (lit.: to continuously revolve)

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Jyutping lin4 zuk6 zyun2
Pinyin lián zhóu zhuàn

Definitions (CC-CEDICT)
  1. lit. to continuously revolve
  2. to work non-stop
  3. to work around the clock (idiom)