Flat Fee. Where a legal matter is simple and well-defined, lawyers typically charge a flat fee. Examples of flat fee matters include wills, uncontested divorces and simple bankruptcy filings. If an attorney suggests or has advertised a flat fee, be sure you understand exactly what that fee will and will not cover.
The definition of wily is  something or someone who is cunning and sly. An example of wily is a bank robber whose picture never gets caught on a surveillance camera.
The definition of surly is someone who is bad-tempered, or something that is threatening such as poor weather. An example of someone who would be described as surly is a grumpy person who frowns at everyone who comes near him. YourDictionary definition and usage example.