perturbed

She seemed perturbed by the unexpected change of plans.

用法提示：这里 perturbed 是形容词，作表语，描述某人忧虑不安的状态。

His perturbed expression made everyone in the room uncomfortable.

用法提示：这里 perturbed 是形容词，作定语修饰 expression，表示“不安的”。

I felt perturbed when I realized I had left my keys at home.

用法提示：这里 perturbed 是形容词，跟在 felt 后作表语，表示“忧虑的”。