Winter swimming in the dead of winter is a harsh sport that tests physical and mental strength.

I often go camping in the mountains on weekends.

He felt pain within his body.

They have a good relationship.

He and I are good friends.

His policy is based on the three pillars of education, economic, and environmental reform.

He rested his elbow on the table.

Akira is a boy's name.

Akitomo was so cold that he didn't want to get out of bed.

He is honing his insect catching skills.