/wɜ:ld ||; wɝld/noun1 the world [sing] the earth with all its countries and people 世界；天下: a map of the world 世界地图the most beautiful place in the world 世界上最美丽的地方I took a year off work to travel round the world. 我请了一年假环游世界。She is famous all over the world. 她举世知名。
2 [sing] a particular part of the earth or group of countries 地球上的某部份: the western world 西方世界the Arab world 阿拉伯世界the Third World 第三世界
3 [sing] the life and activities of people; their experience 人世事；世情: It's time you learned something about the real world! 该是你要学一点人情世故的时候了！the modern world 现代世界
4 [C] (often in compounds 常用于构成复合词) a particular area of activity or group of people or things 某特定范围或范畴内的活动、人或物；界: the world of sport/fashion/politics 体坛；时装界；政界the medical/business/animal/natural world 医学界；商界；动物界；自然界
5 [sing] the people in the world 世界上的所有人；世人: The whole world seemed to know the news before me! 似乎人人都比我先知道那个消息！
6 [C] a planet with life on it 有生命存在的星球: Do you believe there are other worlds out there, like ours? 你相信那儿存在着像我们一样的其他星球吗？
do sb a/the world of good(
informal 非正式) to have a very good effect on sb （对某人）有极大好处:
The holiday has done her the world of good. 这次休假对她大有好处。 in the world used to emphasize what you are saying （用于加强语气）:
Everyone else is stressed but he doesn't seem to have a care in the world. 别人都很紧张，但他好像一点儿也不在乎。There's no need to rush -- we've got all the time in the world. 没有必要急急忙忙的─我们有的是时间。What in the world are you doing? 你到底在做什么？ the outside world→
OUTSIDE²
think the world of sb/sth→
THINK