E.g. a man who betrays his friend abases himself .

出卖自己朋友的人实际上是自贬身价。

Roger always abases himself , which I think is of no need .

总是贬低他自己，我觉得那样做是没有必要的。

A man who betrays friends abases himself .

出卖朋友的人实际上是自贬身。

He never abases or debases us , belittles or humiliates us .

他从不贬低我们，轻视或侮辱我们。

Never abases or debases others , belittle or humiliate others .

绝不贬低他人,轻视或侮辱他人。