誠惶誠恐 [诚－诚－]

Jyutping sing4 wong4 sing4 hung2
Pinyin chéng huáng chéng kǒng

Definitions (CC-CEDICT)
  1. in fear and trepidation (idiom); in reverence before your majesty (court formula of humility)
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    so cautious that one is very terrified and anxious
  2. phrase, honorific, idiomatic
    in fear and trepidation; with fear and reverence (expression used in an official's report to the emperor)
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）