I'd take anybody apart who dared to say a word against her.

She may well speak ill of him.

One should not speak ill of others.

You mustn't speak ill of the dead.

All right, do it your own way, but don't blame me if you fail.

Everybody puts me down.

Don't speak ill of your classmates.

I have amongst my relatives, a single one who sincerely lives righteously, has strict principles and pursues an ideal, but all my other relatives speak ill and make fun of him.

Don't talk about people behind their backs.

Don't speak ill of the dead.