1. We reckon her among our best reporters.
    我们认为她是我们最好的记者.

2. He began to reckon up his time: he started on Monday and today was Friday; five days, from seven to five, less half an hour for breakfast and an hour for dinner, eight and a half hours a day -- forty-two hours and a half in all.
    他开始计算自己的工钱：他从星期一开始干活，今天是星期五，共五天，早七点到下午五点，除去不到半小时的早饭时间，一个小时的午饭时间，一天干八个半小时，一共是四十二个半小时。

3. One pessimistic visitor shrugged and said, "I reckon it's just a matter of time before someone has a try, isn't it?"
    一名悲观的参观者耸耸肩说："我认为，有没有人胆敢试试只是个时间问题，不是吗？"

4. Four sons were born between what one would reckon to be 1750 and 1760.
    应该是在1750至1760年之间，这家生了四个儿子。