46, do with 用..凑合; do without 没有也行 You can do with your girlfriend. You can do without your girlfriend 47, dog tired 特别累，同义：run down; worn out; out of steam Im dog tired these days. Im working on seven articles. 48, down jacket 羽绒服 49，drive somebody up the wall 让某人发疯;同义：drive somebody out of ones mind The sound of all that raffic is driving me out of my mind. 50, fall back on 依赖 A: Were you able to understand that French novel without any help from theteacher? B: I did pretty well, but I had to fall back on my dictionary occasionally. 51, fill a prescription 按处方抓药 Would you please fill this prescription for me? 52, fill in for 代替; 同义：fill ones place(position, shoes); take the place of; take over Say, Dave, can you fill in for me tonight at the restaurant? Id like to go out of town. 53,food for thought 令人思考的东西;同义：thought-p从上面的收费情况来看，bidincn.com我们可以知道不同的线上英语外教培训机构的收费都是不同，这个可能取决与师资、教材等方面的因素。rovoking There is a lot food for thought in what he had to say. 54,for nothing 免费 To pay to see that movie would be foolish, when you can see it on TV fornothing. 55,from top to bottom 从上到下 A: Maybe you lost your wallet in this room. B: Ive searched it from top to bottom.. 56, get of on the wrong foot 开深圳地区可以去那里学习英语培训yiyi18.com，小李子啊，你抄什么啊？始事情就做错了 I got off on the wrong foot, and I dont have any idea which way to turnnow. 57,get a lot out of something 从学到很多 The training program was difficult, but she got a lot out of it. 58, get at 想说 Do you understand what Im getting at? 59, get away with 对..摆脱惩罚 A: Did you know that Bob is leaving for home tonight? He isnt planning to take his final exams. B: He cant get away with that 60,get going 赶紧行动; 同义：get moving A: It looks like we wont have enough time to do all we wanted to. B: Who says we wont? lets get going. I didnt write that memo to the department chair. 45,dirt cheap 非常便宜 A: Youve already furnished your apartment? B: Ive found some used furniture that was dirt cheap.