关于“大约”有多少种表示方法？
1.approximately (formal)
e.g. The flight takes approximately three hours.飞行时间大约需要三个小时。
2. about (common)
e.g. It is about six o'clock now.现在是六点钟左右。
3. give or take
e.g. He was 80 years old, give or take a year.他八十岁上下。
4. more or less
e.g. I've more or less finished reading the book.我差不多已经把这本书看完了。
5. or so
e.g. Grandad usually conks out (ie sleeps) for an hour or so after lunch.爷爷吃过午饭往往要睡一个小时左右。。
6. or thereabout
e.g. She must be 25 or thereabouts. 她肯定在25岁上下。
7. roughly
e.g. Roughly speaking, I would say that about100 people attended the exhibit.粗略地说来，我想大约有100人参观了展览。
8. round about
e.g. I live round about ten miles from here.我的住处离这儿大约十英里。
9. somewhere around
e.g. Can we park somewhere around there then? 能在附近什么地方停一下吗?
10. somewhere in the region of
e.g. She earns somewhere in the region of 25000.
Remark: about 是最通用的，approximately是比较正式的用法。
