excitation dullness

例句：

1. 1. The sudden burst of excitement made him forget all his previous thoughts.
   突如其来的兴奋让他忘记了之前的所有想法。
2. 2.He was so excited that he couldn't even focus on the task at hand.
   他太兴奋了，以至于无法专注于手头的任务。
3. 3. Excitement can be a double-edged sword; it can bring people together but also cause them to become dull.
   兴奋可以是一把双刃剑；它可以让人们团结在一起，但也可能使他们变得迟钝。