to spiral down
[phrase form: spiral]
01
急剧下降, 迅速恶化
to rapidly decline
例子
The city 's air quality started to spiral down as industrial pollution increased.
随着工业污染的增加，城市的空气质量开始急剧下降。
The project 's progress spiraled down as unexpected challenges emerged.
随着意外挑战的出现，项目的进展急剧下降。
