speak ill of

US /spiːk ɪl ʌv/
UK /spiːk ɪl ʌv/
"speak ill of" picture
1.

悪口を言う, けなす

to say bad things about someone or something

:
It's not right to speak ill of the dead.
死者の悪口を言うのは正しくない。
She would never speak ill of her colleagues.
彼女は決して同僚の悪口を言わないだろう。