名词

1. 念念不忘；执著
If you have a preoccupation with something or someone, you keep thinking about them because they are important to you.

2. 全神贯注；入神
Preoccupation is a state of mind in which you think about something so much that you do not consider other things to be important.

1. the act of taking occupancy before someone else does

Synonym: preoccupancy

2. the mental state of being preoccupied by something

Synonym: preoccupancyabsorptionengrossment

3. an idea that preoccupies the mind and holds the attention