We have boundless admiration for your struggle.

　　对你们酌斗争我们无限钦佩。(对)

　　Listening comprehension materials are good for training our minds.

　　听力材料对训练我们的脑子根有好处。(对)

　　Take the bitter medicine. It's good for you.

　　吃下这药吧，对你有好处。(对)

　　There is a telegram for Mr. Wang.

　　这有一份王先生的电报。(给)

　　May I use it for a minute?

　　我用一会儿好吗?(一段时间)

　　I followed the stealer for some distance.

　　我跟踪那个小愉一段路。(一段距离)

　　The ship was for Dalian.

　　这破船开往大连。(去某地)

　　We are off for Shanghai tomorrow.

　　明天我们去上海。(去某地)

　　The medicine is for reducing your temperature.

　　这药是退烧的。(为……目的)

　　After breakfast. I'll go for a stroll round the town.

　　吃完饭我要在城里到处走走。(为……目的)

　　I'll keep the lighter given by a foreign friend for a souvenir.

　　我要把外宾送给我的打火机作为纪念。(作为)

　　It is only meant for a joke.

　　这只是当笑话说说罢了。(作为)

　　We are all for cutting down the cost of production.

　　我们都赞成降低生产成本。(赞成)