Sentence examples for any harder from inspiring English sources

The phrase "any harder" is grammatically correct and can be used in written English
It is typically used to compare the difficulty of two tasks or situations. Here are some examples: - "I've been studying for hours, but this exam is getting more difficult. I don't think I can try any harder." - "My boss keeps giving me more and more assignments. I don't know if I can handle any harder workload." - "I know you're struggling with this project, but can you push yourself any harder to meet the deadline?" - "I thought running a marathon would be tough, but the last few miles were any harder than I could have imagined." - "Don't worry, the job interview won't be any harder than the practice runs we did together."