人前で彼の悪口を言うな。の英語

Don't speak ill of him in public.

Don't speak badly of him in his absence.

Don't speak ill of him in his absence.

There is no one that knows him who speaks ill of him.

He gives no heed to people's remarks.

He gives no heed to people's remarks.

Don't call him names.

He will call you every name he can lay his tongue to.

You shouldn't speak so ill of him.

He gives no heed to people's remarks.

to discredit someone by speaking ill of him /her

He didn't scruple to speak ill of others.

There is no sense in speaking ill of him.

Don't speak ill of others behind their back.

He calumniates people.

Stop bad mouthing him.

He will abuse you to your face.

No man has been more talked against than he.

Don't speak ill of others.

Don't say bad things about others.

a person who enjoys saying bad things about others

He never comes without complaining of others.

I hate people who gossip about him.

He is foul-tongued―foul-mouthed―a scurrilous reviler.

He is foul-tongued―foul-mouthed―foul-spoken―a scurrilous reviler.

He is a foul-mouthed man―a foul-tongued man―a foul-spoken man―a scurrilous reviler.

He can take a joke in good part.

He calls you whatever name he can lay his tongue to.

I am trying not to say bad things about people.

I'm making an effort not to speak badly about others.