1.drop out 退出
He'd dropped out of high school at the age of 16.
他16歲時就從高中退學了 。
2.discourage someone from doing 阻攔
typhoons that discouraged shopping and leisure activities.
打消購物和休閑活動的念頭的數起臺風 。
3.obsess about something 困擾;心神不寧
A string of scandals is obsessing America.
一系列丑聞在困擾著美國 。