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Jyutping ding2 sing6 si4 kei4
Pinyin dǐng shèng shí qī

Definitions (CC-CEDICT)
  1. flourishing period
  2. golden age
Examples (粵典–words.hk)
  1. Cantonese
    鼎盛时期
    鼎盛時期
    • at the pinnncale of
Examples (Wiktionary)
  1. Mandarin
    鼎盛时期
    鼎盛時期
    dǐng shèng shí qī
    • period of great prosperity; golden age