[dòng dàng]
（局势、情况不稳定； 不平静） turbulence; upheaval; unrest; being shaky and unstable; in flux
a turbulent situation
动荡的局势
social upheaval
社会的大动荡
The world advances amidst turbulence.
世界在动荡中前进。
The present international situation remains tense and turbulent.
当前的国际局势依然紧张动荡。