驢脣不對馬嘴 [驴唇－对马－]

Jyutping leoi4 seon4 bat1 deoi3 maa5 zeoi2
Pinyin lǘ chún bù duì mǎ zuǐ

Definitions (Wiktionary)
  1. phrase, idiomatic
    the answer is totally irrelevant to the question; a square peg cannot fit into a round hole; to be beside the point
    (syn.) 六不答對, 驢脣不對馬嘴, 牛頭不對馬嘴, 驢頭不對馬嘴, 牛頭唔搭馬嘴, 話三唔話兩