1. “Forty pounds,” I tell her, none too confidently.
    "40磅吧。"我告诉她，一点儿也不自信。

2. “Forty,” she says. “I don't think so. Try somewhere around twenty.”
    "40？"她说："我看不见得。大约20左右吧。"

3. But she must be at least forty.
    但她一定至少有40岁了。

4. "He was the forty-ninth," Yegor added quickly.
    “他是第49个，”叶戈尔迅速说道。

5. Life begins at forty.
    四十岁是有为之年。

6. It is a curious coincidence that the day before his retirement, Mr. Page will have been teaching for a total of forty years.
    佩奇先生退休的前一天正好是他执教满40年的日子，这真是奇妙的巧合。

7. It was worth forty thousand francs.
    价值40000法郎。

8. Forty-two years later a tunnel was actually begun.
    42年以后，隧道实际已经开始建了。

9. Forty percent of the patients died.
    百分之四十的病人在医院里死去。

10. Forty-two had died on the crossing, which was about average for slavers making the trans-Atlantic trip in those days.
    越过大西洋，死了42人。这个数字不高也不低，那时渡洋运奴的船，走一趟差不多都要死这么多人。