顛三倒四 [颠－－－]

Jyutping din1 saam1 dou2 sei3
Pinyin diān sān dǎo sì

Definitions (CC-CEDICT)
  1. confused
  2. disorderly
  3. incoherent
Definitions (粵典–words.hk)
  1. 形容詞
    形容​非常​混亂
    very disorderly; very chaotic
Definitions (Wiktionary)
  1. phrase, idiomatic, of words or behaviour
    disorderly; chaotic; topsy-turvy; confused