1. in time及时；还早；总有一天；终于

　　on time 按时；准时

　　① A stitch in time save nine. 及时一针省九针。(谚语)

　　② If you keep on, you will succeed in time. 如果坚持下去，你总有一天会成功的。

　　③ We were just in time for the bus. 我们正好赶上那班公共汽车。

　　④ The train came on time. 火车准时进站。

　　⑤ You are requested to come on time. 请准时出席。

　　2. in camera 秘密地；私下地

　　on camera 出现在电视上

　　① The case was tried in camera. 此案是秘密审判的。

　　② Did you watch the football game on camera? 你看了电视转播的足球赛吗？

　　3. in the air 在空中；无掩蔽的；不完的

　　on the air (正在)广播

　　① Your mind was on something not so practical—castles in the air. 你脑子里想的都是些不切合实际的事情——都是空中楼阁。

　　② Our plans are still up in the air. 我们的计划还悬而未决。

　　③ The news is on the air. 正在广播新闻。

　　④ Their left flank was left in the air. 他们的左翼无掩护。

　　4. in the way妨碍

　　on the way 正在到来；在路上

　　① The child tried to get to the door, but the table was in the way. 小孩想到门口去，但桌子挡住他的去路。

　　② She tried to clean the house, but the baby was always in the way. 她想打扫房子，但婴孩总是妨碍她的工作。

　　③ Help is on the way. 援助将至。

　　④ He is on the way to become a good teacher. 他正在成为一个好的老师。

　　⑤ Let's not stop often on the way. 咱们别老在途中停留。

　　5. in the field 在田野上；在……领域里；野外的；参加比赛

　　on the field 在战场上

　　① The children are playing in the field. 孩子们正在田野里玩。

　　② He had had three successes in the field of literature. 他曾在文学界里获得了三次成功。

　　③ These are plants found in the field. 这是些野生植物。

　　④ Are you in the field for the relay race? 你参加接力赛跑吗？

　　⑤ His son lost his life on the field. 他儿子在战场上牺牲了。

　　6. in hand 在进行中；在手头；在控制中

　　on hand 现有；可用

　　① The work is in hand and will soon be completed. 工作在进行之中，很快就要完成了。

　　② I have enough money in hand. 我手头有足够的钱。

　　③ We have some new woolen goods on hand. 我们手头现有一些新的羊毛织品。

　　7. in behalf of 为……之利益

　　on behalf of代表；为了

　　① He was allowed to sign letters on behalf of the manager. 他被允许代表经理在信件上签名。

　　② My brother could not be here tonight, but I want to thank you on his behalf. 我兄弟今晚不能来，我代表他谢谢你。

　　③ He worked hard all his life in behalf of the poor. 他毕生为穷苦人的利益而努力不懈。

　　④ My teacher spoke in my behalf. 老师替我说情。

　　8. in the corner 在拐角内

　　on the corner 在拐角之上

　　at the corner 在拐角处外

　　① The children are play in the corner of the park. 孩子们正在公园的拐角内玩。

　　② The shop is on the corner of the street. 商店在街道的拐角处。

　　③ The old woman is standing at the corner. 那老太太正站在拐角处旁。

　　9. in the road 在道路上

　　on the road 在途中；在旅行中

　　① There is a cart running away in the road. 有辆马车在道路上飞奔。

　　② How long were you on the road? 你路上花了多少时间？

　　10. in view 望；在看见的地方；被考虑；被期待

　　on view 展示；陈列着

　　① Victory is in view. 胜利在望。

　　② We came in view of a pool. 我们看见了一个水池。

　　③ The lastest winter fashions are now on view in the big shops. 最新的冬装款式现在正在大商店中陈列着。

　　11. in the east of 在东部(范围之内)

　　on the east of 在东面(相邻、接壤)

　　to the east of 在东边(在范围之外)

　　① Shanghai is in the east of China. 上海在中国的东部。

　　② Japan is to the east of China. 日本在中国的东面。

　　③ Korea lies on the east of China. 朝鲜位于中国东面。

　　④ Guangdong is on the east of Guangxi. 广东与广西东部毗邻。

　　(文/刘金双；英语辅导报初中教师版04~05学年第16期；版权归英语辅导报社所有，独家网络合作伙伴新浪教育，未经许可，不得以任何形式进行转载。)