obsess

1. V-T/V-I If something obsesses you or if you obsess about something, you keep thinking about it and find it difficult to think about anything else. 困擾; 心神不寧

A string of scandals is obsessing America. 一系列丑聞在困擾著美國。

She stopped drinking but began obsessing about her weight. 她戒了酒，但開始不停地擔心她的體重。