不可同年而語 [－－－－－语]

Jyutping bat1 ho2 tung4 nin4 ji4 jyu5
Pinyin bù kě tóng nián ér yǔ

Definitions (Wiktionary)
  1. phrase, idiomatic
    incomparable; too different to compare; cannot be mentioned in the same breath; there is no comparison between them