What is the origin of the idiom "have one's work cut out for someone" and when to use it?

The idiom "have one's work cut out for someone" is used to express that someone has a challenging or demanding task ahead of them. The origin of this expression can be traced back to the practice of tailoring or dressmaking. When a tailor had a piece of fabric already cut out for a particular garment, it meant that the most time-consuming and difficult part of the work was already done.