名词是shock,表示休克,震惊,例如:

1、Losing in the first round was a shock to the system.首轮失利让人大为震惊。

2、I have to admit that the news gave us a shock.我不得不承认这个消息让我们大为震惊。

3、The murder sent shock waves through the whole community.凶杀案震惊了整个社区。