我尽力使她安心，“别担心，我们不会允许它再发生的。”

I tried to reassure her, "Don't worry about it. We won't let it happen again."

《柯林斯英汉双解大词典》

她说她很抱歉，这种事不会再发生了。

She said she was sorry and that it wouldn't happen again.

youdao

这事绝无仅有；不会再发生了。

It was just a one-off; it won't happen again.

《牛津词典》

The little insects were crawling around, the plants were there. And come back and look at it, over a period of weeks, and see what's changing.

我可以看到昆虫爬来爬去，还看到有些植物，几个星期后，再来看，看看发生了什么变化。

普林斯顿公开课 - 人性课程节选

Like I don't know what's around the corner. I might not be here in a week

我不知道会发生什么，也许再过一个礼拜我就不在了，

我的理想是 - SpeakingMax英语口语达人

Suppose the planet were hit by a comet-- this happened--something like this happened sixty-five million years ago, so it could happen again.

假设这个星球被一颗彗星击中-,这样的事，大约六千五百万年前,发生过，所以它还可能再发生。

耶鲁公开课 - 金融市场课程节选