consternation

To the consternation of the travelers, the train staff announced that all flights were canceled.

(Chinese) 令旅客们惊愕的是，铁路工作人员宣布所有班次均已取消。

The sudden drop in the company's stock price caused great consternation among the investors.

(Chinese) 公司股价的突然下跌引起了投资者们的巨大恐慌。