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Jyutping cing4 hung1 maan6 lei5
Pinyin qíng kōng wàn lǐ

Definitions (CC-CEDICT)
  1. a clear and boundless sky
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    the sky is clear and boundless