1. At fifty he took up the study of Russian.
    在50岁时，他开始学习俄语。

2. Very few of the fifty pence pieces and pound coins I have given him have found their way there.
    我给了不少50便士的硬币，但没有几个存到储蓄罐里。

3. She remained as Helen´s tutor and friend for fifty years.
    在以后的那五十年里，她一直是海伦的朋友兼家庭教师。

4. She told me how the Chinese civil war kept him away from his mother for fifty years, so neither of them even knew that the other was alive.
    她告诉我中国的内战是怎样把他和他的母亲分开了50年，母子俩甚至都不知道另一方是否还活着。

5. On his way to the sweet shop, he dropped his fifty pence and it bounced along the pavement and then disappeared down a drain.
    在他去糖果店的路上，50便士掉在地上，在人行道上跳了几下，掉进了阴沟里。

6. In the United States , fifty individual states are united under the federal government.
    在美国，五十个州统一于联邦政府领导之下。

7. I need fifty sheets of plain paper and a ruler.
    我需要50张白纸和一支尺.

8. If fifty pence pieces are not exchanged for sweets, they rattle for months inside money boxes.
    如果50便士不拿来换糖吃，则可以放在储蓄罐里叮当响上好几月。

9. I gave him fifty pence yesterday and advised him to save it.
    昨天，我给了他50便士让存起来，

10. Instead he bought himself fifty pence worth of trouble.
    却拿这钱给自己买了50便士的麻烦。