分心

例句：

1. 1. She was so focused on her work that she didn't notice the time had passed.
   她太专注于工作了，以至于没有注意到时间已经过去了。
2. 2.The child was so fascinated by the toy car that he couldn't pay attention to his mother's instructions.
   这个孩子被玩具车迷住了，以至于他无法听妈妈的指示。
3. 3.He tried to divert his mind from his troubled thoughts by reading a book.
   他试图通过读书来转移自己烦恼的思绪。