and I don't know how to phrase this in a politically correct way, but the parents of ugly kids are likely to themselves be ugly people and maybe what they're finding is just ugly people are more violent than good-looking people.

我不知道怎么用不会引起政治争论的话来说，但丑小孩的父母往往也长得丑,也许这个研究的发现是长得丑的人,比长得好看的人更粗暴。

耶鲁公开课 - 心理学导论课程节选

So our relationships, although very personal, aren't as personal as parents and children

虽然孩子和老师的关系很亲密，
但也不会比父母与孩子的关系亲密，

驯服淘气的人 - SpeakingMax英语口语达人