A "hard case" refers to a situation or individual that presents significant challenges or difficulties. In legal contexts, it often describes a complex legal matter that requires extensive resources and expertise to resolve. Hard cases can involve intricate laws, multiple parties, or unique circumstances that complicate the resolution process. In everyday language, a hard case can also refer to a person who is particularly stubborn or resistant to change. This might be someone who refuses to accept new ideas or adapt to different perspectives, making it challenging to communicate or collaborate effectively.