信口開河 [－－开－]

Jyutping seon3 hau2 hoi1 ho4
Pinyin xìn kǒu kāi hé

Definitions (CC-CEDICT)
  1. to speak without thinking (idiom)
  2. to blurt sth out
Definitions (Wiktionary)
  1. phrase, idiomatic
    to speak carelessly, rapidly and voluminously like the outflow of river water when the sluice gates are opened; to talk nonsense; to talk at random
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）