英文翻译句子，谢谢~~

1使用信用卡在网上购物的人应该格外小心。
When buying things on line using credit card, you must be careful.
2我认为只要做好一切工作，北京不会发生禽流感。
I think if we are fully prepared, bird flu won't break out in beijing.
3当我正要过马路时，突然一辆摩托车冲了过来。
i was crossing the road when a motorbike charged to me.
4小时候我老是和别人吵架。
when young, i always quarreled with others.
5你最好核实一下明天下午4：30是否开会。
you have to go and make sure that the meeting will be held at 4.30pm tomorrow.
6我们理应高度赞扬为我国现代化科技作出巨大贡献的科学家。
we must sing highly of the scientists who have contributed to our modernization.
7我要做给你看看，这样你就知道我是怎么做的了。
i wanna show you how i do it.
8不管天气多么恶劣，她从没停止过跑步锻炼。
Now matter how bad the weather is, she never gives up jogging.
9你在这儿等多久了？
how long have you waiting here?
10玛丽很少课后讲英语，因为她害怕讲错被人嘲笑。
mary doesn't like speaking english after class, because she's afraid that she will be laughed at.

1 uses the credit card in on-line shopping perso