for all the world
完全
- She behaved for all the world as if nothing unusual had happened.
看她的表现就像根本没有发生过什么大事似的。 - He looked for all the world like a schoolboy caught stealing apples.
他那个样子简直就像偷苹果时被当场抓住的小学生。
have the world at your feet
极为成功、功成名就、为世人仰慕
- Five years after her debut, the diminutive star of the Royal Ballet has the world at her feet.
在初次登台5年之后，这位皇家芭蕾舞团的娇小明星取得了巨大的成功。
what, how, why, etc. in the world
（用在疑问句中强调很吃惊）究竟、到底
- What in the world did they think they were doing?
他们到底认为自己在做什么？ - Who in the world could do such a thing?
到底有谁能做这样的事？
in an ideal/a perfect world
在理想状态下
- In an ideal world we would be recycling and reusing everything.
我们要是能回收并再利用所有的东西就再理想不过了。
in a world of your own
沉浸在自己的世界中，与外界隔绝
- When she was young, she lived in a world of her own and had very few friends.
年轻时她生活在自己的世界中，没有什么朋友。
a man/woman of the world
阅历丰富的人、老练的人
- As a merchant, he was a man of the world--he had seen it all.
他是一个见多识广的商人。 - Bob is a man of the world; why not go to him for advice?
鲍勃是个通晓世故的人，干吗不去听听他的意见呢？
not for the world
不管怎样都不，无论如何都不
- If I took that job I'd have to leave the kids and I wouldn't do that for the world.
如果我接受那份工作就必须得离开孩子们，而我无论如何都不会那样做。
not the end of the world
天还不会塌下来、还没到世界末日
- Failing one exam is not the end of the world.
一次考试不及格并非世界末日。
be lost to the world
全神贯注、沉浸于
- He was there for more than half an hour in that position, completely lost to the world, to the passers-by and to the screech of the parrots.
他以那个姿势坐在那里有半个多小时了，把世界、把路人和鹦鹉们的尖叫完全遗忘了。
it's a small world
这世界真小、真有这等巧事、无巧不成书
- You know my old science teacher! Well, it's a small world, isn't it?
原来你认识我以前的科学课老师！嘿，这真是太巧了，不是吗？
watch the world go by
闲看人来人往、静观众生百态
- We sat outside a cafe, watching the world go by.
我们坐在一家小餐馆外面，望着眼前来来往往的人们。
