Like never before and never again.

从没有过，也不会再现的爱。

youdao

What happened in Istanbul was a unique event, it never happened before and never will again.

伊斯坦布尔发生的事是个特例，这种事以前没出现过，今后不会再发生了。

youdao

Unless we make a run up there, double-time, we'll never make it down again to our camp before nightfall and never.

如果我们不一口气急步跑上去，我们绝不能在傍晚前再回到我们的营地，且绝不能在明晨之前下到我们那停放在木屋处的车子，较。

youdao

As we walk towards our camera position in the Market Place, just minutes after arriving in a town I have never visited before and will probably never visit again, with Jennie Bond leading the way down a street already lined with crowds clutching flowers and Union Jacks, I have an epiphany.

BBC: Jubilee tour diary: Western Isles

"I was thinking, 'This has never happened before in poetry, and I'm sure it will never happen again, '" says John Barr, president of the Poetry Foundation, the author of six volumes of poetry and a former investment banker.

FORBES: Magazine Article

He slipped into unconsciousness shortly before the ambulance arrived and would never wake again.

BBC: Organ donor series