口無擇言 [－无择－]

Jyutping hau2 mou4 zaak6 jin4
Pinyin kǒu wú zé yán

Definitions (CC-CEDICT)
  1. to say not a word that is not appropriate (idiom)
  2. wrongly used for 口不擇言|口不择言[kou3 bu4 ze2 yan2]