1N-COUNT 過山車;雲霄飛車 A roller-coaster is a small railway at a fair that goes up and down steep slopes fast and that people ride on for pleasure or excitement. 過山車;雲霄飛車
It's great to go on the roller coaster five times and not be sick.
坐了5次雲霄飛車都沒暈,真是太棒了。
2N-COUNT [usually singular]許多急轉突變;忽好忽壞 If you say that someone or something is on a roller coaster, you mean that they go through many sudden or extreme changes in a short time. 許多急轉突變;忽好忽壞 [journalism]
I've been on an emotional roller-coaster since I've been here.
自從我到了這裏,情緒就起伏不定。
Over the last few years Japan's socialists have seen their electoral popularity take a roller-coaster ride.
在過去的幾年裏,日本社會黨在選民中的支持率忽高忽低。
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