1.
In about half an hour. Why?
大约半个小时。为什么问这个？
2.
It 'll take him about half an hour to wash the car .
冲洗汽车大约要花他半个小时。
3.
The journey from London to Oxford takes about an hour and a half.
从伦敦到牛津大约需要一个半小时.
4.
About half-an-hour's drive from your hotel.
从你的宾馆坐车大约要半个小时。
5.
It took us half an hour to fit up the apparatus
安装这台仪器花了我们大约半个小时的时间。
6.
He usually washes the car on Sunday ; it takes him about half an hour .
他通常在星期天冲洗汽车；大约要用半个小时。
7.
We also have about two and one-half-hours of physical exercise every day.
我们每天还进行大约两个半小时的体育锻炼，
8.
It took us about half an hour to fit up the apparatus.
我们花了大约半个小时才安装好这套仪器。
9.
A: Yesterday...I got home around 7, then I already slept, slept for around 5 1/2 hrs.
昨天，我大约七点到家,马上就睡了，睡了大约五个半小时。
10.
In about half an hour the boy returned to find the man still at the same grating.
大约半小时后，小孩回来了。他发现那人还在那个格栅那儿。
11.
After we have walked along at a rapid pace for about half an hour, Frate suddenly comes to a halt.
我们快步往前走了大约一个半小时以后，弗雷特突然停住了。
12.
Chaoyang Park is far from here, it will take you about half an hour to get there by bus.
朝阳公园离这儿还很远，你还需要坐大约半个小时的车。
13.
So the train leaves in about half an hour.
所以这趟火车大约半小时后离开。
14.
It's about half an hour's drive from here.
坐汽车到那里大约半小时。
15.
It will take about 30 min. drive from Yanchang Campus to New Campus and 1 hour to Jiading Campus.
从延长校区到新校区开车约半个小时，到嘉定校区约一个小时。
16.
The concert will last about an hour and a half; and the coach tour will last about four hour.
这场音乐会大约要进行一个半小时；乘坐长途客车旅游一次要4个小时。
17.
grown-ups sleep about seven and a half hours each night and probably more than 60 percent get between seven and eight hours.
成年人每晚大约睡7个半小时，很有可能50%以上的人睡7至8个小时，
18.
When he had sat in his saddle some half-hour, taking note of these things, Darnay found himself confronted by the same man in authority, who directed the guard to open the barrier.
达尔内在马背上观察着这一切，等了大约半个小时之后，发现自己站到了那个负责的人面前。