那是个艰难而动荡的时期。

These were difficult and unsettled times.

《牛津词典》

自革命以来的这一段时期是一个政治动荡的时期。

The period since the revolution has been one of political turmoil.

《柯林斯英汉双解大词典》

我们正处在动荡的时期，动荡和不确定的。

We are in turbulent times, volatile and uncertain.

youdao

So many of our financial institutions were created in the 1930s because that was a time when everything was being shaken up and it was a time when people were willing to consider something really different.

由于大萧条时期的动荡,和对人们生活的冲击,人们便愿意想一些与以往不同的东西,所以自那时之后,大量的金融衍生工具如雨后春笋般的出现了。

耶鲁公开课 - 金融市场课程节选