A kind of course that teach you the most difficult language in the world, including a kaleidoscope of words and irregular grammars, besides, every single word has different meaning while put with other words. A Chinese class will install you knowledges with highly subjective perspective, most of which might be incredibly useless and doesn't make sense. Though Chinese classes are usually unreasonable, if you want to pass your final exam, you have no choice but to yield to Chinese teachers’ opinions.
A Chinese class can also used to describe something useless or unreasonable.