confused running pulse

例句：

1. 1. I was so confused by the sudden change in plans that I didn't know what to do next.
   我对计划突然改变感到困惑，不知道接下来该做什么。
2. 2. The new policy has left many people confused about its implications.
   新政策让很多人对其含义感到困惑。
3. 3.The scientist was confused when he saw the results of his experiments.
   科学家看到实验结果时感到很困惑。