懵懵

例句：

1. 1. I'm so lost in thought that I can't find my way home.
   我陷入沉思，以至于找不到回家的路。
2. 2. The fog made it difficult for the pilot to navigate the plane.
   雾使飞行员难以驾驶飞机。
3. 3. He was so confused by the sudden announcement that he didn't know what to do next.
   他对突如其来的宣布感到困惑，不知道下一步该怎么做。