IDIOM A roller coaster (ride) 》A series of rapid and drastic changes that happen without warning. ︎When his girlfriend dumped him, his life became a roller coaster ride. ︎Share prices have been on a roller coaster for a month. #IdiomCards ━━━━━━━━━━━━━━━ ☞» @Storytelpage ☞» @Vocards ☞» @GrammarQuizzes ☞» @PhrasalVerbsIdioms ☞» @American_English_Club 415 views08:03