obsessed前面可以加什么介词

"obsessed"前面可以加的介词是"with"，构成短语"be obsessed with"，意为“对……着迷”。例如：

1. She is obsessed with fashion and always wants to wear the latest trends.

建议根据具体的语境选择合适的介词，以确保表达准确、自然。