请人帮我翻译下几个英文句子

1碰巧他去那天去了上海。
He happened to be in Shanghai that day.
2那对夫妻要去欧洲度假，但是这次度假嗜好是坏海要等着瞧。
The couple is going to Europe for a vacation. But it still depends whether it's going to be good or not.
3由于大雪所有的交通都中断了。
All traffic is stopped due to the heavy snow.
4警察伸出手，所有的成都停下了。
The whole Chengdu stopped as one gesture from the police.
5他抓住我的胳膊，并且开始大喊起来。
He grabbed my arm and started yelling.
6在任何条件下我都不能放弃希望。
I can't/won't give up hope under any circumstance.
7我很难想象那位老人在抚摸他三个孩子中遇到了多么大的困难啊！
It's hard for me to imagine what difficulties the old man came through to raise his three children.
8我认为帮助别人是我的职责。、
I think it's my job to help others. (一个通常的误会是duty是指责，事实上duty在这种情况里很少被用到。）
9我们遇到了这么的一个情况，许多人词汇量很大，可就是不能和外宾交际
We came to the situation as many people with a huge vocabulary not really being able to communicate with foreign guests.
10主席终止了会议，引起许多人的反对。
The chairman put a stop to the me