He views that situation as a problem.

A new approach is needed to solve this set of problems.

The main problem with this project is the lack of communication.

This question text is too difficult, it's hard to understand.

He strongly believes in the philosophical thought, 'I think, therefore I am.'

If I do say so myself, I think this dish is the best one I've ever made.

He often forgets himself because he is too absorbed in his work.

He accepted the challenge with an audacious attitude.

I was surprised by his audacious attitude.

He passionately discussed the problem of other minds in his philosophy class.