There are two patterns of "I don't know."
There are two patterns to "[I don't know.
https://gyazo.com/5e567548a4e47b045c9def122a0d2b11
Cases where the listener does not know the words used by the speaker and does not know what they mean (above).
Cases in which the speaker uses unusual words (curved arrows) because he/she believes that there is no appropriate word for what he/she wants to express, and the listener can understand the words used by the speaker individually, but not as a combination.
I don't know how to connect the "original meaning" of each word I hear in its context.
relevance
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