翻译句子：孩子是大人的一面镜子，他会折射出你教育成功的一面，也能折射出你教育失败的一面

Child is a mirror to adults which will not only reflect the success but also the failure part of their education。

Children are mirrors of the adults, reflecting their successful and failure aspects on educating.
希望对楼主有帮助。

The child is grown, he would mirror reflects your education, also can successfully reflects your education failures

The child is an adult's mirror, he will refract you to educate successful one side, can also refract you to educate the defeat one side 应该吧

Adults and children are a mirror, he will be a reflection of the success of your side of education, but also reflects a failure of your education