vt.

1. 使心緒不寧，使不安，煩擾
   She didn't seem to be perturbed by the setback.

   她似乎並不為這次挫折感到不安。

2. 擾亂，使混亂
   They perturbed good social order with their lies and propaganda.

   他們以謊言和宣傳擾亂良好的社會秩序。

v.

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