同日而语 tóng rì ér yǔ

DEFINITIONS

  1. lit. to speak of two things on the same day (idiom); to mention things on equal terms (often with negatives: you can't mention X at the same time as Y)

CHARACTERS

同 tóng
HSK 1
same, similar; together with
日 rì
HSK 2
sun; day; daytime
而 ér
HSK 3
and; and then; and yet; but
语 yǔ
HSK 1
language, words; saying, expression