It is untrue to say that something like this could never happen again.

说这类事情再也不会发生是毫无事实根据的。

《牛津词典》

Suffice it to say that afterwards we never met again.

不必多言，后来我们再也没见过面。

《柯林斯英汉双解大词典》

They go to work by boat and enjoy it so much that most of them say they will never go by car again.

他们乘船去上班，且非常享受这种方式，以至于大多数人说他们再也不会开车去上班了。

youdao

One minute of silence will clearly say to the world that what happened in 1972 can never happen again.

CNN: Olympics head rejects silence for Israeli victims

"Never again can people say UKIP is a wasted vote, that we are splitting the vote, that somehow we can't win, because we have come ever so close to winning in this by-election, " he told the BBC.

BBC: UK Politics