Question: what does it mean when someone says the elephant in the room

title: Elephant in the room
text: Elephant in the room is an English - language metaphorical idiom for an obvious problem or risk that no one wants to discuss . 

Answer: answer: Elephant in the room is an idiom for an obvious problem or risk that no one wants to discuss.
answer: Elephant in the room is a metaphorical idiom for an obvious problem or risk that no one wants to discuss .
answer: Elephant in the room is an English-language metaphorical idiom for an obvious problem or risk that no one wants to discuss.
answer: Elephant in the room is an English - language metaphorical idiom, which means there's an obvious problem or risk that no one wants to discuss.
answer: Elephant in the room is an English - language metaphorical idiom for an obvious problem or risk that no one wants to discuss .
answer: Elephant in the room is an English - language metaphorical idiom for an obvious problem or risk that no one wants to discuss.
answer: Elephant in the room is an English - language metaphorical idiom for an obvious problem or risk that no one wants to discuss.