He is viewing that situation as a serious problem.

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 is managing this project.

He practices Baguazhang in the park every day.

He tried bear's paw dish for the first time.

He changed his opinion as if flipping his hand.

He solved the problem as easily as turning his hand over.