He studied classical Japanese and understood the meaning of 'yudzu'.

The evening sky is dyed in beautiful colors.

The oil content of this avocado is very high.

The oil pressure of this machine is dropping.

Usenet is a communication tool that can be said to be the predecessor of the Internet.

My hobby is going to the local public bath every weekend and soaking in the hot water.

He tapped the table with his finger.

He is feeling solitude.

Hitori is my best friend.

He felt sick and vomited.