The part of sentence "challenges in life" is correct and usable in written English.
For example, you could use it in the sentence "Having to make difficult decisions is one of the many challenges in life".
Kathleen: We've had a few challenges in life.
Tom: We're all going to have challenges in life.
Across town, other people facing challenges in life are harvesting cucumbers at St Werburghs City Farm.
"We all need challenges in life, a kick in the rear".
"There are challenges in life, and that's how life is," he said.
"At the same time, there are challenges in life, and you have to meet them head-on".
"I get through a lot of my challenges in life thanks to God and Todd," she said.
Politicians like Portillo assume that working-class people are a homogenous bloc with the same frustrations and challenges in life.
I've had many challenges in life and sport but going into the House of Lords is probably the greatest ever.
There's challenges in life that present themselves unexpectedly, and if you rise to them, then those challenges will toughen you up".
Strong, elegant and a man of immeasurable grace, Henry brought enormous love to his family, compassion to his patients, intellectual rigor to his academic interests, and a brave heart to all of his challenges in life.
