[yáng qīng yì zhuó]   

扬    清    抑    浊    犹扬清激浊。比喻抨击、清除坏人坏事，表彰、发扬好人好事。

出自《梁书·武帝纪》：“公扬清抑浊，官方有序，多士聿兴。”现在比喻抨击、清除坏人坏事，表彰、发扬好人好事。

Publicize the good deeds of good people in the hope that others will emulate them

扬清厉俗    扬清抑浊    扬眉眴目    扬扬得意    扬己露才