1.hung up on sb/sth or hung up about sb/sth<非正式,贬>(obsessed about)痴迷于…；对…着迷
He's hung up on modern art these days.近日来他痴迷于现代艺术。
Are you really that hung up on her?你真的对她那么着迷吗？
It was a time when people weren't so hung up about health.那时人们对于健康还不是那么关注。
2.<非正式>(impeded)受阻的；耽误的
I got hung up at the station.我在车站被耽搁了。
3.<非正式>(in state of confusion)困惑的
He was hung up.他感到困惑。