胡編亂造 [－编乱－]

Jyutping wu4 pin1 lyun6 zou6
Pinyin hú biān luàn zào

Definitions (CC-CEDICT)
  1. to concoct a cock-and-bull story (idiom)
  2. to make things up
Definitions (Wiktionary)
  1. phrase, idiomatic
    to fabricate (stories, etc.); to cook up