- lit. mustn't speak of two things on the same day (idiom); not to be mentioned in the same breath
- incomparable
“there is no comparison between the two; cannot be mentioned in the same breath”
不能放在同一时间谈论。形容不能相提并论，不能相比。
Origin 《战国策·赵策二》：“夫破人之与破于人也，臣人之与臣于人也，岂可同日而言之哉？”
Example 我们现在的生活和改革开放前相比，真是～。