blind fret

例句：

1. 1.He was so worried about the exam results that he couldn't sleep at night.
   他因为考试结果而非常担心，以至于晚上睡不着。
2. 2. She was blind with fear when she heard the bad news.
   她听到那个坏消息时，吓得浑身发抖。
3. 3. The student was so anxious about his upcoming presentation that he couldn't concentrate on the lesson.
   这个学生因为即将到来的演讲而非常焦虑，以至于无法集中注意力学习。