1、根本责任在校长身上。

The ultimate responsibility lies in the president.

2、技术员掌握了珍贵的数据资料。

The technician has possessed valuable data.

3、他曾梦想用爱战胜敌对。

The once dreamed of conquering his enemies with love.

4、两个又胞胎如此相似，以至于很难区分他们。

The twins are so much alike that it's hard to distinguish between them.

5、他们必须仔细考虑电视中暴力行为对儿童的影响。

They have to reflect on the effect of TV violent acts on children.

6、一切非法建筑物都必须拆除。

All the unlawful buildings must be pulled down.

7、好书的产生是努力工作的结果。

The coming about of a good book is the result of hard work.

8、当你的朋友吵架时，你应该帮助他们和解。

When your friends are quarreling，you should help them(to)come to terms.