lifetime

US /ˈlaɪf.taɪm/

UK /ˈlaɪf.taɪm/

1.

生涯, 一生

the duration of a person's or animal's life

:

•

He spent his entire lifetime working for the company.

彼は生涯を会社のために働いた。

•

This is a once-in-a-lifetime opportunity.

これは一生に一度のチャンスです。

:

existence duration span period term

:

once in a lifetime break the habit of a lifetime