对某事物想得过多[过度担心];
例句:
Are you really that hung up on her?
你真的对她如此念念不忘吗?
The project was shelved [ hung up ] because of lack of capital.
由于缺少资金,该项方案被 搁置 起来了.
She hung up her wet clothes in order to dry them out.
她把她的湿衣服挂起来,以便晾干.