He is highly respected in the education world.

He is successful in the business world.

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

The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.

His father was diagnosed with schizophrenia in the past.

His brother was diagnosed with schizophrenia a long time ago.

He is taking sedatives to control his stress.

He is an expert in psychiatry.

He has psychopathy, making it difficult for him to understand social rules.

My brother works as a psychiatrist.