מְכַסֶּ֣ה שִׂ֭נְאָה שִׂפְתֵי־שָׁ֑קֶר וּמוֹצִ֥א דִ֝בָּ֗ה ה֣וּא כְסִֽיל׃
Скрывающий ненависть от лживых уст; А тот, кто произносит клевету, - глупец.
Rashi
He who covers up hatred has false lips The flatterer has false lips, and he hides hatred in his heart.
Rashi
and he who spreads slander is a fool Heb. דבה, a rumor about his friend, about which people will converse (דובבין).