a roller-coaster ride an experience in which circumstances change rapidly and in a volatile manner from one extreme to another.
2004BBC News: Business Shares have been on a rollercoaster ride, with US shares plunging and then recovering twice over.
英语词组固定搭配大全包含15956条英汉双解词组,基本涵盖了全部常用英文词组、短语的翻译及用法,是英语学习的有利工具。