tip-of-the-tongue phenomenon

例句：

1. 1. She was having a hard time figuring out what she wanted to do next.
   她很难弄清楚自己下一步想做什么。
2. 2.The professor noticed that the student's answer was off the mark, which is a tip-of-the-tongue phenomenon.
   教授注意到学生的答案偏离了主题，这属于思维的尖端现象。
3. 3. When he was asked about his future plans, he hesitated and then finally said, "I don't know." Itwas a tip-of-the-tongue phenomenon.
   当他被问及未来计划时，他犹豫了一下，然后终于说：“我不知道。”这是思维的尖端现象。