一鼻孔出氣 [－－－－气]

Jyutping jat1 bei6 hung2 ceot1 hei3
Pinyin yī bí kǒng chū qì

Definitions (CC-CEDICT)
  1. lit. to breathe through the same nostril (idiom); fig. two people say exactly the same thing (usually derog.)
  2. to sing from the same hymn sheet
Definitions (粵典–words.hk)
  1. 語句、書面語
    觀點​、​想法​、​立場​一致​，​帶​貶義
    (derogative) with a consistent view or thought
  2. 近義詞
    一個鼻哥窿出氣、狼狽為奸
Definitions (Wiktionary)
  1. phrase, derogatory, idiomatic
    to sing the same tune
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）