turbulent

/ˈtɝː.bjə.lənt/
n which there is a lot of sudden change, confusion, disagreement and sometimes violence 动荡的；动乱的；骚动的；混乱的
a short and turbulent career in politics
短暂动荡的政治生涯
a turbulent part of the world
世界上动荡不安的地区