tar with the same brush
用同一把毛刷涂抹瀝青
口語·反對以偏概全
英文釋義
to consider or treat everyone in a particular group as having the same negative characteristics or faults
例句
Just because one politician was corrupt, don't tar them all with the same brush.
典故來源
17世紀英國用瀝青刷標記羊群或懲罰罪犯，后比喻將群體一概而論。