A task that is very daunting from the outset and continues to be challenging. The incumbent is so popular that defeating her will be an uphill battle.I'm terrible at math, so I have a real uphill battle ahead of me if I want to improve my grade in Algebra.
if something you are trying to do is an uphill struggle, it is very difficult, often because other people are causing problems for you Environmentalists face an uphill struggle convincing people to use their cars less.We're trying to expand our business, but it's an uphill battle.