tumultuous       
adjective  formal uk/tʃuːˈmʌl.tʃu.əs/ us/tuːˈmʌl.tʃu.əs/
 吵闹的,喧哗的;骚乱的,混乱的
very loud, or full of confusion, change, or uncertainty
  The former president appeared to tumultuous applause and a standing ovation. 前总统出场时,人们起立鼓掌,欢呼声经久不息。 
 After the tumultuous events of 1990, Europe was completely transformed. 经历了1990年的一系列动荡和骚乱事件后,欧洲发生了巨变。 
 Synonyms: riotoustroubledturbulent