祖父は九十歳を過ぎても至って健康だ。
My grandfather is in very good health even past ninety.
この機械の使い方は至って簡単です。
This machine is extremely simple to use.
本人は至ってまじめに話しているつもりらしい。
He himself seems to think he is speaking in all seriousness.
事故の後も彼女は至って冷静だった。
She remained perfectly calm even after the accident.