Who knows what it means? What does this mean?

"Who doesn't know": Who doesn't know ... is often used as a rhetorical question to indicate that everyone knows.

This is not a sentence! It's a subject-predicate structure phrase, which+I don't know. This usage is not in Chinese, it is a new word. It belongs to the misuse of modern people. However, this incorrect usage has not been corrected until now.

There is also "I don't know", which means I don't know. This is fixed phrases in Chinese.

Who doesn't know is who doesn't know. "I don't know" is often used as a rhetorical question to indicate that everyone knows. For example, "Who doesn't know that' there is less leisure in May and people are twice as busy'?"

Who is it? shú？

Who, which: right and wrong. ?

What: tolerable, why not? ?

Used in rhetorical questions expressing choice, it has a comparative meaning: which is which? What if? What is this? ?

Ancient times were "cooked" and had a deep degree. ?

Make a sentence

I wonder if this is an old calendar book.

Who knows that in this era, high school students have long been precocious.