Monica: You're not a senior? 你不是毕业班的吗？
Ethan: Oh, I'm a senior... in high school. 我是毕业班的，高中生。
Monica: OK, he's a senior in college. 好吧，他是个大四的学生。
Monica: I'll go. I'll go. OK, senior year of college...on a pool table. 我来，我来。好吧，大四的时候…在台球桌上。