You and I are of an age when we both know the meaning of words.

你我所处的年龄都知道文字的含义。

And Isak taught his sons many other things good and useful to know. They were of an age to go to school, but the school was many miles away down in the village, out of reach.

白伊萨还教他的儿子们许多其他有用的知识。他们到了上学的年龄，但学校在村子里好几里之外，遥不可及。