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thing; matter
incident; occurrence; event; something serious; trouble; crisis
circumstances; situation; state of affairs
work; business; affair
after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to
nominalizing suffix
pretending to ...; playing make-believe ...
alias; also known as; otherwise known as; or
necessity; need
you should ...; I advise that you ...; it's important to ...
旅行のことを考えるとわくわくする。
Thinking about the trip makes me excited.
こんなことは二度とない。
Something like this won't happen again.
大切なことを忘れていた。
I forgot something important.