The 'burden of proof' is on the plaintiff, since the defendant is presumed innocent until proven guilty. [=the plaintiff must prove that the defendant is guilty]
The 'tax burden' has been falling increasingly on the middle class. [=middle class people have been paying a greater portion of taxes]
For the rest of his life he 'was burdened' with the knowledge that he had done nothing to help them.
(..) Can I do something for you tackle? - Like what? I know a lot ... I mean ... I do not know. Coffee? Well, I do not want to be a burden ... - No problem. - Unless you ... - 'T period but two minutes. Really? - It is only coffee. I would like not taken. - Do not mold. I would be a bakkie lusts. (..)2007 Bee Movie