头脑不清

例句：

1. 1. She had a terrible headache and couldn't think straight.
   她头疼得厉害，脑子一片混乱。
2. 2. The old man was so confused that he couldn't remember his own name.
   老人太困惑了，连自己的名字都记不住。
3. 3. After the accident, she felt dazed and disoriented.
   事故后，她感到头晕目眩，不知所措。