roller coaster
US
UK roller coaster, roller-coaster n: (fairground ride) (本义)
SC 过山车 guò shān chē
TC 雲霄飛車
TC 雲霄飛車
It is estimated that 200 million people a year ride rollercoasters.
据估计，每年有两亿人乘坐过山车。
roller coaster, roller-coaster n: figurative (repeated rise and fall) (比喻)
SC 如坐过山车一样 rú zuò guò shān chē yí yàng
My journey from market trader to millionaire was a real rollercoaster.
我从一介商人变身成为一名百万富翁的人生旅程就如坐过山车一样起伏跌宕。
roller coaster ride, roller-coaster ride n: figurative (turbulent experience)
SC 过山车之旅
SC 跌宕起伏的经历