to summarize something briefly
何かを簡潔にまとめる (nanika o kanketsu ni matomeru)
"Long story short, we missed the train."
"簡潔に言うと、私たちは電車に乗り遅れました。" (kanketsu ni iu to, watashitachi wa densha ni noriokuremashita.)
to not completely believe something
to form groups of two
A significant advancement or achievement.
extremely surprising or amazing
to do what you promise to do
a decision or opinion has not yet been reached
