vt.

1. 使心绪不宁，使不安，烦扰
   She didn't seem to be perturbed by the setback.

   她似乎并不为这次挫折感到不安。

2. 扰乱，使混乱
   They perturbed good social order with their lies and propaganda.

   他们以谎言和宣传扰乱良好的社会秩序。

v.

1. make anxious or unsettled.
2. alter the normal or regular state or path of (a system, moving object, or process).