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.
(..) if in visiting a natural chasm, two quarrelsome neighbors would bridge the chasm of their own discord. Well, I guess if Job could accept his burdens. Uh, in America, it's pronounced "job," Flanders. (laughing): We can settle it when we're zipped up (..)2016 TvShow: The Simpsons Title: Fland Canyon Season: 27 Episode 19