一概而論

Simplified: 一概而论

On the HSK 7-9 vocabulary list, at CEFR level C1.

yīgàiérlùn ㄧ ㄍㄞˋ ㄦˊ ㄌㄨㄣˋ

    • to lump different matters together (idiom)

Character by character

Sources