1. 变幻莫测的;动荡的;骚乱的;混乱的
    A turbulent time, place, or relationship is one in which there is a lot of change, confusion, and disorder.

    e.g. They had been together for five or six turbulent years of rows and reconciliations...
           他们在一起生活了五六年，一直吵吵闹闹，分分合合，没有片刻安宁。
    e.g. The turbulent world of Middle Eastern politics defies prediction.
           中东动荡不安的政治局势让人难以预测。

2. 湍急的;狂暴的;汹涌的
    Turbulent water or air contains strong currents which change direction suddenly.

    e.g. I had to have a boat that could handle turbulent seas.
           我必须有一艘能经得起狂风骇浪的船。