1. down and out [穷困潦倒；一无所有]
【构成】down[向下；沮丧] ; and[和] ; out[出去；外面]
【例句】After the business failure, he was down and out. [生意失败后，他变得穷困潦倒。]
2. down the drain [浪费；白费；化为乌有]
【构成】down[向下] ; the[定冠词] ; drain[排水；消耗]
【例句】All his efforts went down the drain. [他所有的努力都白费了。]
3. down in the dumps [心情低落；沮丧]
【构成】down[向下] ; in[在…里面] ; the[定冠词] ; dumps[垃圾场；忧郁]
【例句】She’s been down in the dumps since she lost her job. [自从丢了工作，她一直情绪低落。]
4. down to earth [实际的；务实的]
【构成】down[向下] ; to[到] ; earth[地球；地面]
【例句】He’s a very down-to-earth person. [他是个非常务实的人。]
5. down payment [预付款；定金]
【构成】down[向下] ; payment[付款；支付]
【例句】You need to make a down payment to buy this house. [买这房子你得先付定金。]
6. break down [分解；发生故障；失败]
【构成】break[打破；弄坏] ; down[向下]
【例句】The machine broke down. [机器出故障了。]
7. calm down [平静下来；镇定下来]
【构成】calm[平静的；使平静] ; down[向下]
【例句】Calm down and tell me what happened. [冷静下来，告诉我发生了什么。]
8. close down [关闭；停业]
【构成】close[关闭；结束] ; down[向下]
【例句】The factory had to close down due to financial problems. [由于财务问题，工厂不得不关闭。]
9. cut down [削减；砍倒]
【构成】cut[切；割] ; down[向下]
【例句】We should cut down on our expenses. [我们应该削减开支。]
10. fall down [跌倒；失败]
【构成】fall[落下；跌倒] ; down[向下]
【例句】She fell down and hurt her knee. [她跌倒了，伤了膝盖。]
11. get down [下来；使沮丧]
【构成】get[得到；变得] ; down[向下]
【例句】Get down from the tree. [从树上下来。]
12. hand down [传下来；宣布]
【构成】hand[手；传递] ; down[向下]
【例句】This tradition has been handed down for generations. [这个传统已经传承了好几代。]
13. lie down [躺下]
【构成】lie[躺；位于] ; down[向下]
【例句】You look tired. You should lie down and rest. [你看起来很累，应该躺下休息。]
14. look down on [轻视；看不起]
【构成】look[看] ; down[向下] ; on[在…上面]
【例句】Don’t look down on others just because they are poor. [不要因为别人穷就看不起他们。]
15. put down [放下；镇压；贬低]
【构成】put[放；安置] ; down[向下]
【例句】Put down your bag and sit here. [放下你的包，坐这儿。]
16. set down [写下；记下]
【构成】set[放置；设定] ; down[向下]
【例句】Set down your ideas before you forget them. [在忘记之前把你的想法写下来。]
17. slow down [减速；放慢]
【构成】slow[慢的；放慢] ; down[向下]
【例句】You need to slow down when you drive in the rain. [下雨天开车你得减速。]
18. turn down [拒绝；关小；调低]
【构成】turn[转动；转向] ; down[向下]
【例句】He turned down my invitation. [他拒绝了我的邀请。]
19. write down [写下；记录]
【构成】write[写] ; down[向下]
【例句】Write down your name and address. [写下你的姓名和地址。]
20. take down [取下；拆卸；记录]
【构成】take[拿；取] ; down[向下]
【例句】Take down the picture from the wall. [把墙上的画取下来。]
