在英语中，有许多介词或时间/地点副词由"and"连接而形成英语习语，你知道它们的意思吗?下面作简要介绍：

1. by and large：大体上，总的看来

例：I cannot totally take your point，but by and large I think yours is reasonable.

2. down and out：穷困潦倒，孤苦无助

例：People should lend him a helpful hand；he's really down and out.

3. far and away：毋庸置疑

Tom is far and away the best lecturer in our department.

4. high and dry：被抛弃的，处于痛苦之中的。

George took all the money away and left his companions high and dry，with nothing to buy the tickets.

5. high and low：到处

I looked high and low for my pen，but I couldn't find it anywhere.

6. ins and outs：错综复杂事物的因果

After careful investigation, he got to know the ins and outs of the accident.

7. on and off：间断地

It rained on and off all day long.

8. on the up and up：坦率，诚实

How can we know whether a person is on the up and up by his appearance!

9. out and about：户外活动

Mr Smith recovers quickly，and he'll be out and about very soon.

10. out and out：完全地，彻底地

What I said is an out and out truth.

11. over and over：多次地，重复地

The foreigner repeated what he said over and over，but I still couldn't understand him.

12. through and through：完全地，充分地

You can trust him，for he's honest through and through.

13. up and about：病愈

I'm much better now，I've been up and about for almost a week.

14. ups and downs：盛衰，浮沉

Life is hard. There are a lot of ups and downs in one's life.