lifetime

US /ˈlaɪf.taɪm/

UK /ˈlaɪf.taɪm/

1.

一生, 有生之年

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

:

•

He spent his entire lifetime working for the company.

他把整个一生都奉献给了这家公司。

•

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

这是千载难逢的机会。

:

existence duration span period term

:

once in a lifetime break the habit of a lifetime