sentence-ending particle expressing doubt; sentence-ending particle expressing a rhetorical question
nonexistent; not being (there); not having; not
to get tired of; to tire of; to lose interest in; to become sated; to become satiated; to have one's fill
national language; Japanese language (esp. as a school subject in Japan); one's native language; mother tongue; native Japanese words (as opposed to loanwords and Chinese-derived words)
very; greatly; immense; enormous; serious; grave
the other day; a few days ago
common knowledge; being well-known; making (something) well-known
previously; already; for some time; for quite a while
to be opposite; to face each other; to confront (an issue); to face
right; correct; proper; righteous; just
to be mistaken; to be incorrect; to make a mistake (in); to do incorrectly; to mistake (one thing with another); to confuse
distinction; differentiation; discrimination; difference
to make a mistake (in); to commit an error; to get wrong; to mistake (one thing for another); to confuse