No child should know their biological parents and no parent should know their child.

没有小孩应该认亲,也没有父母应该辨认出他们的孩子。

耶鲁公开课 - 政治哲学导论课程节选

Some of the schools that they rate and say that kids are not learning and the tests are too easy.

他们评价一些学校的时候，发现孩子们没有学习，并且考试太容易了。

哈莱姆的变迁 - SpeakingMax英语口语达人

They didn't run DNA tests or anything, but he was the father.

他们没有进行基因测试之类的,但他确实是孩子的父亲

耶鲁公开课 - 1871年后的法国课程节选