1. in other words [换句话说；也就是说]
【构成】in[在…里] + other[其他的] + words[单词；话语]
【例句】He is not very smart. In other words, he is a bit stupid. [他不是很聪明。换句话说，他有点笨。]

2. in particular [尤其；特别]
【构成】in[在…里] + particular[特别的；详细的]
【例句】I like this dress in particular. [我特别喜欢这件连衣裙。]

3. in person [亲自；本人]
【构成】in[在…里] + person[人]
【例句】You should come in person. [你应该亲自来。]

4. in place [在适当的位置；适当的]
【构成】in[在…里] + place[地方；位置]
【例句】Everything is in place. [一切都在适当的位置。]

5. in practice [在实践中；实际上]
【构成】in[在…里] + practice[实践；练习]
【例句】It’s easy in theory but difficult in practice. [理论上容易，实际上难。]

6. in public [公开地；当众]
【构成】in[在…里] + public[公众；公共的]
【例句】Don’t smoke in public. [不要在公共场合吸烟。]

7. in rags [衣衫褴褛]
【构成】in[在…里] + rags[破布；碎布]
【例句】The beggar was in rags. [那个乞丐衣衫褴褛。]

8. in return [作为回报；作为报答]
【构成】in[在…里] + return[返回；报答]
【例句】I gave him a gift and he gave me one in return. [我给他一份礼物，他给了我一份作为回报。]

9. in ruins [成为废墟；严重受损]
【构成】in[在…里] + ruins[废墟；毁坏]
【例句】The city was in ruins after the earthquake. [地震后这座城市成了一片废墟。]

10. in short [总之；简言之]
【构成】in[在…里] + short[短的]
【例句】In short, we should work hard. [总之，我们应该努力工作。]

11. in sight [看得见；在望]
【构成】in[在…里] + sight[视力；景象]
【例句】The train is in sight. [火车在望。]

12. in spite of [尽管；不管]
【构成】in[在…里] + spite[恶意；怨恨] + of[关于]
【例句】In spite of the rain, we went hiking. [尽管下雨，我们还是去徒步旅行了。]

13. in step [同步；协调]
【构成】in[在…里] + step[脚步；步骤]
【例句】They walked in step. [他们步伐一致地走着。]

14. in stock [有现货；有库存]
【构成】in[在…里] + stock[库存；股票]
【例句】This shirt is in stock. [这件衬衫有现货。]

15. in summary [总之；概括起来]
【构成】in[在…里] + summary[总结；概括]
【例句】In summary, the project was successful. [总之，这个项目是成功的。]

16. in the end [最后；终于]
【构成】in[在…里] + the[定冠词] + end[结束；尽头]
【例句】In the end, she found her keys. [最后，她找到了她的钥匙。]

17. in the face of [面对；在…面前]
【构成】in[在…里] + the[定冠词] + face[脸；表面] + of[关于]
【例句】He was brave in the face of difficulties. [面对困难他很勇敢。]

18. in the future [在未来]
【构成】in[在…里] + the[定冠词] + future[未来；前途]
【例句】I will be a doctor in the future. [我将来会成为一名医生。]

19. in the meantime [与此同时；在此期间]
【构成】in[在…里] + the[定冠词] + meantime[其间；同时]
【例句】I’ll do some reading. In the meantime, you can watch TV. [我会读点书。与此同时，你可以看电视。]

20. in the past [在过去]
【构成】in[在…里] + the[定冠词] + past[过去；往事]
【例句】Life was different in the past. [过去的生活不一样。]