It is used, as you can imagine, somewhat insultingly.

正如您所想象的那样，它的使用有点侮辱性。

It was but too apparent that they had been insultingly, shamefully, disgracefully deceived.

很明显，他们受到了侮辱性的、可耻的、可耻的欺骗。

This is usually said insultingly about, for example, someone in your office who doesn't really do very much and is basically useless.

这通常是侮辱性的说，例如，你办公室里的某个人并没有真正做很多事情， 而且基本上是无用的。