I'm a student of the world; in other words I flunked out of high school.
我是社会学生,换句话说,我高中后就辍学了。
I've got a pain in my back.
我的后背有点疼痛。
After a little time, she chose one of the most expensive dresses in the shop and handed it to an assistant who wrapped it up for her as quickly as possible.