We live in a turbulent time and people do not always have enough peace in their minds to question things.

turbulent 是形容词，来自名词 turbulence（动荡、混乱）。词根 turb- 表示"搅动、混乱"，后缀 -ulent 表示"充满...的"，合起来意思是"动荡不安的、混乱的"。这里形容时代充满变化和不确定性。