to completely fill your mind so that you cannot think of anything else, in a way that is not normal
He’s obsessed by computers.
他迷上了电脑。
She’s completely obsessed with him.
他让她神魂颠倒。
The need to produce the most exciting newspaper story obsesses most journalists.
大多数记者梦寐以求的就是要写出最撼动人心的新闻报道来。