He has a proud patriotism for his country.

Because he is haughty, it's difficult for him to get along with people.

He is proud of his son's success.

He was looking proud when he heard that his son had been accepted to college.

It's difficult to solve this formula.

He solved complex mathematical problems using his new calculator.

I am working using a spreadsheet software.

Please check the statement of account.

He likes to take a walk in the park at dusk.

He is a person of strong vanity who reads self-improvement books.