Meaning of the word "not mention rope in the house of a man who has been hanged" in English

What does "not mention rope in the house of a man who has been hanged" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

not mention rope in the house of a man who has been hanged

US /nɑt ˈmɛn.ʃən roʊp ɪn ðə haʊs ʌv ə mæn hu hæz bɪn hæŋd/
UK /nɒt ˈmɛn.ʃən rəʊp ɪn ðə haʊs ɒv ə mæn huː hæz biːn hæŋd/
"not mention rope in the house of a man who has been hanged" picture

Idiom

to avoid bringing up a subject that is likely to be sensitive or embarrassing to someone because of their past experiences

Example:
I didn't ask about his failed business; you should not mention rope in the house of a man who has been hanged.
Talking about divorce around her right now is like mentioning rope in the house of a man who has been hanged.