鼾声如雷
      Explanation: Snoring: snort issued when sleeping. Described as a deep sleep, snoring great.
      Usage: The main predicate; as predicate; describe asleep snoring great
      Source: Qing Li Ruzhen "Flowers in the Mirror": "all went to bed, a little while, Hansheng thundering."
  • Thesaurus:  Snort like thunder