The argument was the beginning of the end as far as their relationship was concerned. 就他们的关系而言，这次争论是他们的关系结束的开始。

The problem with black swan events is that very often they are never repeated.

Tension between the two groups has almost reached boiling point. 两个集团间的紧张关系几乎已经达到白热化的程度。

She believed she was on the brink of discovering a cure for cancer. 她相信她快要发现一种治疗癌症的方法了。

the country's coming of age as an industrial and financial power 这个国家作为工业和金融大国的成熟阶段

If it comes to the crunch, can I rely on you to support me? 在关键时刻，我能指望你支持我吗？

the problems confronting Africa on the cusp of the millennium 千年之交时非洲所面临的问题

We are at a defining moment in our history.

If we don't make the cuts now, we will just be putting off the evil day until next year or the year after.

At the height of the violence, neighbour was killing neighbour. 暴力升级到顶点时，邻里之间开始互相残杀。

Temperatures today are expected to reach a high of 30 degrees. 今天的气温预计会达到30度的高峰。

the high noon of the Civil Rights movement 民权运动的高峰期

Sometimes a person needs to hit rock bottom before they are ready to admit they have a problem.

This book has become a landmark in art criticism. 这本书已成为文艺评论界的一个里程碑。

The company's fortunes reached their nadir in 1991. 该公司的时运在1991年跌到了最低点。

The job can be a stepping-stone to a career in publishing. 这项工作可以成为向出版界发展的进身之阶。