aghast

The neighbors stood aghast as they watched the historic building collapse in flames.

(Chinese) 邻居们眼睁睁看着那座历史建筑在烈火中坍塌，感到惊骇万分。

She was aghast at the high price the mechanic charged for such a simple car repair.

(Chinese) 她对修理工这么简单的修车就收取如此高昂的费用感到震惊。