眼花

例句：

1. 1. She was so tired that she could hardly see clearly.
   她太累了，几乎看不清东西。
2. 2. The new policy has caused a lot of confusion among the employees.
   新政策让员工们感到困惑不已。
3. 3. The old man couldn't understand the complex instructions given by his grandson.
   老人无法理解孙子复杂的指示。