speak ill of
US /spiːk ɪl ʌv/
UK /spiːk ɪl ʌv/

1.
kwaadspreken over, slecht spreken over
to say bad things about someone or something
:
•
It's not right to speak ill of the dead.
Het is niet juist om kwaad te spreken over de doden.
•
She would never speak ill of her colleagues.
Ze zou nooit kwaad spreken over haar collega's.