paint something with a broad brush
以一概全，不细节考虑
书面·批评以偏概全
英文释义
to generalize or stereotype something or someone without considering individual differences or nuances
例句
Don't paint all teenagers with a broad brush; each is unique.
典故来源
源自绘画，用宽刷子涂色忽略细节，比喻概括性判断。