Life; lifetime; career — the period of a person's life or the span of their career.
彼は生涯を通じて教育に力を注いだ。
He devoted his life to education.
その画家の生涯と作品を展示する展覧会が開かれる。
An exhibition showcasing the painter's life and works will be held.
彼女はそのスポーツで生涯最高の記録を出した。
She achieved the best record of her career in that sport.
For life; throughout one's life — indicating that something lasts for the duration of a person's life.
彼は生涯独身を通した。
He remained single his entire life.
その誓いを生涯守ると約束した。
He promised to keep that vow for life.
生涯忘れられない経験だった。
It was an experience I'll never forget in my life.