Many bamboo species only flower once in a lifetime.

许多竹子种类一生只开一次花。

The shadow coasted under Irniq's tense, crouching body for what seemed a lifetime.

影子在伊尔尼克紧张的蹲伏身体下滑行，仿佛过了一辈子。

True friendship lasts a lifetime.

真正的友谊可以持续一生。

Their friendship lasted a lifetime.

他们的友谊持续了一辈子。

They spent half a lifetime together.

他们在一起度过了半生。

He hopes to be with her for a lifetime.

他希望能和她在一辈子在一起。

This bridge has been here for a lifetime.

这座桥已经存在了一辈子。

This opportunity comes once in a lifetime.

这样的机会一生只有一次。

He took half a lifetime to write this book.

他用半生的时间来写这本书。

Half a lifetime of effort finally paid off.

半生的努力终于有了回报。