を悪く言う

speak badly of

→ を
phrase Rare #26,568
speak badly of Used when criticizing, insulting, or saying negative things about someone or something. The particle を marks the person or thing being spoken about negatively.
JA: 人の前で友達を悪く言うのはやめて。
EN: Stop speaking badly of your friend in front of people.

私は彼がを悪く言うのを聞いたことがない

I've never heard him speak ill of anyone.

彼女がを悪く言うのももっともだ

It's understandable that she speaks ill of him.

家族のを悪く言う

Don't speak ill of my family.

— ウィッチ (2016)

ブタを悪く言うのはよくない

It’s not nice to speak badly of pigs.

— レオン (1994)

お母さんが他人のことを悪く言う人は悪い人って言った

Mom said that people who speak badly of others are bad people.

— 新感染 ファイナル・エクスプレス (2016)