不攻自破 [－－－－]

Jyutping bat1 gung1 zi6 po3
Pinyin bù gōng zì pò

Definitions (CC-CEDICT)
  1. (of a rumor etc) to collapse (in the light of facts etc)
  2. to be discredited
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    to collapse of itself (of a rumor, etc.); to be discredited
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）