"challenging but exciting" is correct and usable in written English. You could use it to describe situations or experiences that involve both difficulty and exhilaration. For example, you could say: "Exploring a new city can be both challenging but exciting."
It's challenging but exciting.
"It's challenging, but exciting at the same time".
"We are in challenging but exciting times and every one of us will have a vital role to play".
These are challenging but exciting times and if you ask the right questions at interview you can find local authorities with strong teams and good practice.
The Chicago-based web developer and founder of the neighbourhood news site EveryBlock, Adrian Holovaty, says it's going to be challenging but exciting for journalists.
Dinsmore urged staff to pull together in "challenging but exciting times" on Monday morning in his first full day in the editor's chair after replacing Dominic Mohan in a surprise announcement on Friday.
"We found it very challenging but very exciting," Sikora said.
We stand on the threshold of a very challenging but very exciting future.
She added: "These are very challenging but also exciting times in publishing and we hope that the Prize for Fiction will continue to make as significant a contribution going forward as it has over the last 17 years.
"You can have a measure of certainty from the images you're training it on, but at the end of the day you really don't know how it will look until after the fact, which is certainly challenging but also exciting". He said that with his own work, he might iterate eight or nine times before arriving at his desired results.
Regardless of the approach adopted, the work will be more challenging, but also exciting, for both the teaching staff and the students.
Awesome tool! I started using it one year ago and I never had to look for another app
Ha Thuy Vy
MA of Applied Linguistic, Maquarie University, Australia