This flashcard defines the adjective "preoccupied", describing someone who is thinking so much about something that they do not pay attention to other things.
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]全神贯注的;入神的 If you are preoccupied, you are thinking a lot about something or someone, and so you hardly notice other things.
[usu v-link ADJ]
Tom Banbury was preoccupied with the missing Shepherd child and did not want to devote time to the new murder...
汤姆·班伯里一心寻找谢泼德家失踪的孩子,不想花时间处理这起新的谋杀案。
She looked very preoccupied.
她看起来心事重重。
Oxford
pre·occu·pied/priˈɒkjupaɪd; NAmEpriˈɑːkjupaɪd/adjectivepreoccupied(with sth) thinking and/or worrying continuously about sth so that you do not pay attention to other things 心事重重;一门心思◆He was too preoccupied with his own thoughts to notice anything wrong.他只顾想着心事,没注意到有什么不对。pre·occu·pied/priˈɒkjupaɪd; NAmEpriˈɑːkjupaɪd/
thinking about something a lot, with the result that you do not pay attention to other things: What’s wrong with Cindy? She seems a little preoccupied.preoccupied with He’s completely preoccupied with all the wedding preparations at the moment.