前言不對後語 [－－－对后语]

Jyutping cin4 jin4 bat1 deoi3 hau6 jyu5
Pinyin qián yán bù duì hòu yǔ

Definitions (CC-CANTO)
  1. one's whose words or stance differ on another occasion or sentence
Definitions (粵典–words.hk)
  1. 語句
    前後言論​唔​一致
    to express speech inconsistent with that made before
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）