도전적인 英語で:

It was a challenging project, but also an exciting one.

Teaching young children is a challenging and rewarding job.

I like the new guy. He's not afraid to take on challenging work.

your task is challenging but you can do it

I have a very challenging job but I enjoy it.

Solving Rubik`s cube is challenging

Her work is very challenging. It tests her abilities and keeps her interested.

This project seems challenging so we will have to do our best

My job is challenging and rewarding.

I like challenging sports

This job is challenging.

Being a teacher is a challenging job because it isn’t easy to deal with children.

Aren't you too fragile for such a challenging job?

A challenging job is very difficult, but in an enjoyable way.

My job is very challenging, every day I have to learn new things