The criminal was arrested by the police.

He was arrested for committing a criminal act.

He denied the fact of the crime.

He is a renowned criminologist who has contributed to many crime analyses.

He is known as an expert in criminal investigation.

He is known as an expert in criminology.

His actions were considered criminal.

He learned the old character form of 學 to study ancient documents.

Former Imperial Universities are some of the most traditional universities in Japan.

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