脱口说英语口语校园习语大全
B-1：back down 打退堂鼓
A: He has backed down from his intention to go to America.
A: 他已经放弃了去美国的打算。
B: Because of what?
B: 为什么？
A: Money, of course. It's the matter. He wants to realize his American dream.
A: 当然是因为钱，那才是问题的所在。他想实现自己的美国梦。
B: And this also needs money to begin, right?
B：可这一切开始之前都需要钱，对吗？
A: Yeah.
A：是的。