那位老兵在战场上经历了太多，现在变得精神恍惚，连轻微的噪音都会让他惊慌。

The veteran witnessed too much in the war and is now ___shellshocked, startled even by minor noises.

听到突如其来的噩耗，她完全惊呆了。

She was completely ___shellshocked by the sudden bad news.