His dignified attitude made a deep impression on the people around him.

We have started a petition to solve this problem.

We petitioned the mayor to protect the park.

He values practical reason and always strives to act ethically.

He is a very shy person in real life.

I think that plan lacks realism.

The certainty of this plan's success is high.

I think this plan is highly practical.

In order to understand the actual condition of this company, we need to investigate more deeply.

The educational methods of schools under the old system were significantly different from those of current schools.