Definition:
The phrase "grind away" is a phrasal verb that means to work hard and continuously on something, often in a repetitive or tedious manner. This is usually used in the context of studying, working on a project, or practicing a skill.
In more advanced contexts, "grind away" can also be used metaphorically to describe any prolonged effort, not just related to studying or work.
While "grind away" typically refers to hard work, "grind" by itself can refer to the physical act of grinding something down (like coffee beans or spices).
To "grind away" means to work diligently and persistently, often on something that requires a lot of effort.