She was trapped in a downward spiral of personal unhappiness.

她陷入了个人不幸的旋涡难以自拔。

《牛津词典》

That would only add to a downward spiral of confidence and spending.

这只会造成信心和消费的持续下降。

youdao

Sometimes the indecision can go round our mind in circles, creating a downward spiral of indecision.

有时候，犹豫不决如同向下的螺旋缠绕在我们的脑海里，挥之不去。

youdao

But the threat of terrorism, according to former Yemeni prime minister Abdul Karim al-Iryani, is equally part of the downward economic spiral causing anger on the streets of Sana'a.

VOA: standard.2010.04.20

And very often what that does-- a positive emotion can take us out of this downward spiral and create an upward spiral.

很经常的是-,积极情绪把我们带出下行螺旋,形成一个上行螺旋。

哈佛公开课 - 幸福课课程节选

Forced lay-offs can feed a downward spiral of weaker spending and job losses.

ECONOMIST: Europe's economy

That would sharply raise debt-servicing costs, pitching the government into a downward spiral of surging interest rates and rising deficits.

ECONOMIST: Italy: Stormier weather ahead | The

We learned this lesson with the Smoot-Hawley Tariff in the early 1930s, which led to a downward spiral of world trade.

FORBES: We Need Demand, Not Protectionism