2023年山东成人高考专升本英语复习资料-词汇复习：介词4

　　I try to prevent them from doing the work， but in vain.

　　(prevent sb. from doing sth. 阻止某人做某事) (in vain 毫无作用，徒劳)

　　The situation is getting from bad to worse. The guest is talking from beginning to the end.

　　16. in(在……里) We'll be back in three days.

　　( He came back three days ago.)

　　Do you work in the daytime or at night?

　　We'll be back in no time. (in no time 立刻，马上)

　　He is always in a good mood. (in a good mood 情绪很好 in a bad mood 情绪很糟)

　　I have no difficulty/ trouble in solving the problem. (no difficulty in doing sth. 没有困难)

　　Did you have any difficulty in finding the hotel?

　　They have done it in a wrong way. (in a wrong way 错误的方式)

　　They accepted the plan in principle. (in principle 原则上)

　　17. into(进入) Let's go into the room. I worked far into the night.

　　The house has been turned into a museum.( turn into 变成 )

　　We must put these theories into practice.

　　They all burst into laughter. (burst into 爆发)

　　At the news， my sister burst into tears. (burst into tears 放声大哭)

　　I ran into my former classmate at the station. We haven't seen each other for a long time.

　　(run into 偶然碰到，偶然遇到)