Joke Collection Website - Joke collection - How to translate this sentence? Thank you for your Korean.

How to translate this sentence? Thank you for your Korean.

A joke means to make fun of.

It means bad news, which means bad news.

?

It is wrong to speak ill of that man when he is away.

? Is it the verb stem+? Become a ridiculous adjective, plus? , it becomes a noun, making fun of other people's affairs and speaking ill of them